Finding the Fourth Proportional to 21,581,685.20, 32,367,862.20 and 9,451,125.20
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Solution
The fourth proportional to 21,581,685.20, 32,367,862.20 and 9,451,125.20 is: 14,174,644.62
Step by Step Solution
- Step 1: Write the proportion equation
21,581,685.20 : 32,367,862.20 = 9,451,125.20 : x - Step 2: Convert to fraction form
21,581,685.20/32,367,862.20 = 9,451,125.20/x - Step 3: Cross multiply
21,581,685.20x = 32,367,862.20 × 9,451,125.20 - Step 4: Simplify right side
21,581,685.20x = 305,912,718,108,547.44 - Step 5: Solve for x
x = 305,912,718,108,547.44/21,581,685.20 - Step 6: Final answer
x = 14,174,644.62
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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.