Finding the Fourth Proportional to 11,227,937.26, 15,493,391.04 and 8,289,318.20
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Solution
The fourth proportional to 11,227,937.26, 15,493,391.04 and 8,289,318.20 is: 11,438,400.96
Step by Step Solution
- Step 1: Write the proportion equation
11,227,937.26 : 15,493,391.04 = 8,289,318.20 : x - Step 2: Convert to fraction form
11,227,937.26/15,493,391.04 = 8,289,318.20/x - Step 3: Cross multiply
11,227,937.26x = 15,493,391.04 × 8,289,318.20 - Step 4: Simplify right side
11,227,937.26x = 128,429,648,327,588.92 - Step 5: Solve for x
x = 128,429,648,327,588.92/11,227,937.26 - Step 6: Final answer
x = 11,438,400.96
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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.