Finding the Fourth Proportional to 11,235,053.01, 15,520,245.53 and 8,940,277.65
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Solution
The fourth proportional to 11,235,053.01, 15,520,245.53 and 8,940,277.65 is: 12,350,213.57
Step by Step Solution
- Step 1: Write the proportion equation
11,235,053.01 : 15,520,245.53 = 8,940,277.65 : x - Step 2: Convert to fraction form
11,235,053.01/15,520,245.53 = 8,940,277.65/x - Step 3: Cross multiply
11,235,053.01x = 15,520,245.53 × 8,940,277.65 - Step 4: Simplify right side
11,235,053.01x = 138,755,304,189,670.03 - Step 5: Solve for x
x = 138,755,304,189,670.03/11,235,053.01 - Step 6: Final answer
x = 12,350,213.57
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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.