Finding the Fourth Proportional to 21,381,070.70, 32,071,605.44 and 9,863,130.17
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Solution
The fourth proportional to 21,381,070.70, 32,071,605.44 and 9,863,130.17 is: 14,794,694.97
Step by Step Solution
- Step 1: Write the proportion equation
21,381,070.70 : 32,071,605.44 = 9,863,130.17 : x - Step 2: Convert to fraction form
21,381,070.70/32,071,605.44 = 9,863,130.17/x - Step 3: Cross multiply
21,381,070.70x = 32,071,605.44 × 9,863,130.17 - Step 4: Simplify right side
21,381,070.70x = 316,326,419,246,463.44 - Step 5: Solve for x
x = 316,326,419,246,463.44/21,381,070.70 - Step 6: Final answer
x = 14,794,694.97
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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.