Finding the Fourth Proportional to 18,345,125.87, 27,521,010.30 and 9,224,269.70
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Solution
The fourth proportional to 18,345,125.87, 27,521,010.30 and 9,224,269.70 is: 13,838,074.66
Step by Step Solution
- Step 1: Write the proportion equation
18,345,125.87 : 27,521,010.30 = 9,224,269.70 : x - Step 2: Convert to fraction form
18,345,125.87/27,521,010.30 = 9,224,269.70/x - Step 3: Cross multiply
18,345,125.87x = 27,521,010.30 × 9,224,269.70 - Step 4: Simplify right side
18,345,125.87x = 253,861,221,423,677.91 - Step 5: Solve for x
x = 253,861,221,423,677.91/18,345,125.87 - Step 6: Final answer
x = 13,838,074.66
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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.