Finding the Fourth Proportional to 11,438,120.16, 15,780,658.92 and 7,310,567.52
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Solution
The fourth proportional to 11,438,120.16, 15,780,658.92 and 7,310,567.52 is: 10,086,060.55
Step by Step Solution
- Step 1: Write the proportion equation
11,438,120.16 : 15,780,658.92 = 7,310,567.52 : x - Step 2: Convert to fraction form
11,438,120.16/15,780,658.92 = 7,310,567.52/x - Step 3: Cross multiply
11,438,120.16x = 15,780,658.92 × 7,310,567.52 - Step 4: Simplify right side
11,438,120.16x = 115,365,572,544,750.27 - Step 5: Solve for x
x = 115,365,572,544,750.27/11,438,120.16 - Step 6: Final answer
x = 10,086,060.55
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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.