Finding the Fourth Proportional to 15,916,122.70, 23,874,154.20 and 4,987,148.98
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Solution
The fourth proportional to 15,916,122.70, 23,874,154.20 and 4,987,148.98 is: 7,480,714.12
Step by Step Solution
- Step 1: Write the proportion equation
15,916,122.70 : 23,874,154.20 = 4,987,148.98 : x - Step 2: Convert to fraction form
15,916,122.70/23,874,154.20 = 4,987,148.98/x - Step 3: Cross multiply
15,916,122.70x = 23,874,154.20 × 4,987,148.98 - Step 4: Simplify right side
15,916,122.70x = 119,063,963,766,892.72 - Step 5: Solve for x
x = 119,063,963,766,892.72/15,916,122.70 - Step 6: Final answer
x = 7,480,714.12
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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.