Finding the Fourth Proportional to 15,238,512.18, 22,857,704.01 and 5,520,846.90
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Solution
The fourth proportional to 15,238,512.18, 22,857,704.01 and 5,520,846.90 is: 8,281,247.07
Step by Step Solution
- Step 1: Write the proportion equation
15,238,512.18 : 22,857,704.01 = 5,520,846.90 : x - Step 2: Convert to fraction form
15,238,512.18/22,857,704.01 = 5,520,846.90/x - Step 3: Cross multiply
15,238,512.18x = 22,857,704.01 × 5,520,846.90 - Step 4: Simplify right side
15,238,512.18x = 126,193,884,324,726.09 - Step 5: Solve for x
x = 126,193,884,324,726.09/15,238,512.18 - Step 6: Final answer
x = 8,281,247.07
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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.