Finding the Fourth Proportional to 12,747,553.20, 19,121,306.11 and 3,994,502.04
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Solution
The fourth proportional to 12,747,553.20, 19,121,306.11 and 3,994,502.04 is: 5,991,745.64
Step by Step Solution
- Step 1: Write the proportion equation
12,747,553.20 : 19,121,306.11 = 3,994,502.04 : x - Step 2: Convert to fraction form
12,747,553.20/19,121,306.11 = 3,994,502.04/x - Step 3: Cross multiply
12,747,553.20x = 19,121,306.11 × 3,994,502.04 - Step 4: Simplify right side
12,747,553.20x = 76,380,096,253,873.22 - Step 5: Solve for x
x = 76,380,096,253,873.22/12,747,553.20 - Step 6: Final answer
x = 5,991,745.64
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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.