Finding the Fourth Proportional to 15,018,645.53, 22,520,508.03 and 4,782,169.05
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Solution
The fourth proportional to 15,018,645.53, 22,520,508.03 and 4,782,169.05 is: 7,170,878.11
Step by Step Solution
- Step 1: Write the proportion equation
15,018,645.53 : 22,520,508.03 = 4,782,169.05 : x - Step 2: Convert to fraction form
15,018,645.53/22,520,508.03 = 4,782,169.05/x - Step 3: Cross multiply
15,018,645.53x = 22,520,508.03 × 4,782,169.05 - Step 4: Simplify right side
15,018,645.53x = 107,696,876,491,342.47 - Step 5: Solve for x
x = 107,696,876,491,342.47/15,018,645.53 - Step 6: Final answer
x = 7,170,878.11
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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.