Finding the Fourth Proportional to 29,516,414.20, 40,730,897.10 and 17,125,547.80
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Solution
The fourth proportional to 29,516,414.20, 40,730,897.10 and 17,125,547.80 is: 23,632,238.00
Step by Step Solution
- Step 1: Write the proportion equation
29,516,414.20 : 40,730,897.10 = 17,125,547.80 : x - Step 2: Convert to fraction form
29,516,414.20/40,730,897.10 = 17,125,547.80/x - Step 3: Cross multiply
29,516,414.20x = 40,730,897.10 × 17,125,547.80 - Step 4: Simplify right side
29,516,414.20x = 697,538,925,222,931.38 - Step 5: Solve for x
x = 697,538,925,222,931.38/29,516,414.20 - Step 6: Final answer
x = 23,632,238.00
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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.