Finding the Fourth Proportional to 13,520,711.92, 20,266,896.12 and 4,995,610.96
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Solution
The fourth proportional to 13,520,711.92, 20,266,896.12 and 4,995,610.96 is: 7,488,180.28
Step by Step Solution
- Step 1: Write the proportion equation
13,520,711.92 : 20,266,896.12 = 4,995,610.96 : x - Step 2: Convert to fraction form
13,520,711.92/20,266,896.12 = 4,995,610.96/x - Step 3: Cross multiply
13,520,711.92x = 20,266,896.12 × 4,995,610.96 - Step 4: Simplify right side
13,520,711.92x = 101,245,528,306,608.16 - Step 5: Solve for x
x = 101,245,528,306,608.16/13,520,711.92 - Step 6: Final answer
x = 7,488,180.28
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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.