Finding the Fourth Proportional to 11,121,190.92, 16,678,564.20 and 3,339,791.28
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Solution
The fourth proportional to 11,121,190.92, 16,678,564.20 and 3,339,791.28 is: 5,008,719.27
Step by Step Solution
- Step 1: Write the proportion equation
11,121,190.92 : 16,678,564.20 = 3,339,791.28 : x - Step 2: Convert to fraction form
11,121,190.92/16,678,564.20 = 3,339,791.28/x - Step 3: Cross multiply
11,121,190.92x = 16,678,564.20 × 3,339,791.28 - Step 4: Simplify right side
11,121,190.92x = 55,702,923,278,080.17 - Step 5: Solve for x
x = 55,702,923,278,080.17/11,121,190.92 - Step 6: Final answer
x = 5,008,719.27
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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.