Finding the Fourth Proportional to 22,721,085.92, 31,350,877.68 and 12,930,948.02
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Solution
The fourth proportional to 22,721,085.92, 31,350,877.68 and 12,930,948.02 is: 17,842,306.09
Step by Step Solution
- Step 1: Write the proportion equation
22,721,085.92 : 31,350,877.68 = 12,930,948.02 : x - Step 2: Convert to fraction form
22,721,085.92/31,350,877.68 = 12,930,948.02/x - Step 3: Cross multiply
22,721,085.92x = 31,350,877.68 × 12,930,948.02 - Step 4: Simplify right side
22,721,085.92x = 405,396,569,661,458.19 - Step 5: Solve for x
x = 405,396,569,661,458.19/22,721,085.92 - Step 6: Final answer
x = 17,842,306.09
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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.