I replied to this a while ago with a longer explanation, but don't see that
post yet. Here's the short version, but I can elaborate if needed. Assuming
your data starts in A!, try the following:

=SUMPRODUCT(--(A1:A9B1:B9),D1:D9)

HTH

"Wendy" wrote:

Need help...I am trying to sum only those values in column (D)
whose corresponding value in column (A) is greater than the value in
column (B).

(A) (B) (C) (D)
1. 6,942 292 0.81 5,614.84
2. 317 0 0.92 292.87
3. 6,207 20,374 7.64 47,421.48
4. 417 17,588 5.84 2,435.28
5. 43,921 108,193 1.01 44,525.47
6. 5,974 15,883 3.11 18,579.14
7. 1,834 7,062 1.79 3,283.57
8. 665 733 2.13 1,416.76
9. 21,855 24,149 1.70 37,153.00

Any suggestions? I've been struggling with this for the past few days.


--
Wendy