Finding the Fourth Proportional to 15,641,311.97, 23,431,420.76 and 7,432,275.17
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Solution
The fourth proportional to 15,641,311.97, 23,431,420.76 and 7,432,275.17 is: 11,133,897.66
Step by Step Solution
- Step 1: Write the proportion equation
15,641,311.97 : 23,431,420.76 = 7,432,275.17 : x - Step 2: Convert to fraction form
15,641,311.97/23,431,420.76 = 7,432,275.17/x - Step 3: Cross multiply
15,641,311.97x = 23,431,420.76 × 7,432,275.17 - Step 4: Simplify right side
15,641,311.97x = 174,148,766,675,209.16 - Step 5: Solve for x
x = 174,148,766,675,209.16/15,641,311.97 - Step 6: Final answer
x = 11,133,897.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.