Finding the Fourth Proportional to 39,491,515.72, 54,497,888.68 and 22,087,819.44
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Solution
The fourth proportional to 39,491,515.72, 54,497,888.68 and 22,087,819.44 is: 30,480,965.42
Step by Step Solution
- Step 1: Write the proportion equation
39,491,515.72 : 54,497,888.68 = 22,087,819.44 : x - Step 2: Convert to fraction form
39,491,515.72/54,497,888.68 = 22,087,819.44/x - Step 3: Cross multiply
39,491,515.72x = 54,497,888.68 × 22,087,819.44 - Step 4: Simplify right side
39,491,515.72x = 1,203,739,525,025,060 - Step 5: Solve for x
x = 1,203,739,525,025,060/39,491,515.72 - Step 6: Final answer
x = 30,480,965.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.