Finding the Fourth Proportional to 28,866,988.09, 39,836,440.24 and 17,264,549.71
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Solution
The fourth proportional to 28,866,988.09, 39,836,440.24 and 17,264,549.71 is: 23,825,076.61
Step by Step Solution
- Step 1: Write the proportion equation
28,866,988.09 : 39,836,440.24 = 17,264,549.71 : x - Step 2: Convert to fraction form
28,866,988.09/39,836,440.24 = 17,264,549.71/x - Step 3: Cross multiply
28,866,988.09x = 39,836,440.24 × 17,264,549.71 - Step 4: Simplify right side
28,866,988.09x = 687,758,202,792,924.38 - Step 5: Solve for x
x = 687,758,202,792,924.38/28,866,988.09 - Step 6: Final answer
x = 23,825,076.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.