Finding the Fourth Proportional to 22,744,934.57, 31,387,546.67 and 12,431,731.47
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Solution
The fourth proportional to 22,744,934.57, 31,387,546.67 and 12,431,731.47 is: 17,155,536.35
Step by Step Solution
- Step 1: Write the proportion equation
22,744,934.57 : 31,387,546.67 = 12,431,731.47 : x - Step 2: Convert to fraction form
22,744,934.57/31,387,546.67 = 12,431,731.47/x - Step 3: Cross multiply
22,744,934.57x = 31,387,546.67 × 12,431,731.47 - Step 4: Simplify right side
22,744,934.57x = 390,201,551,641,374.06 - Step 5: Solve for x
x = 390,201,551,641,374.06/22,744,934.57 - Step 6: Final answer
x = 17,155,536.35
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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.