Finding the Fourth Proportional to 8,520,115.41, 12,770,704.62 and 6,491,670.48
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Solution
The fourth proportional to 8,520,115.41, 12,770,704.62 and 6,491,670.48 is: 9,730,291.46
Step by Step Solution
- Step 1: Write the proportion equation
8,520,115.41 : 12,770,704.62 = 6,491,670.48 : x - Step 2: Convert to fraction form
8,520,115.41/12,770,704.62 = 6,491,670.48/x - Step 3: Cross multiply
8,520,115.41x = 12,770,704.62 × 6,491,670.48 - Step 4: Simplify right side
8,520,115.41x = 82,903,206,190,453.62 - Step 5: Solve for x
x = 82,903,206,190,453.62/8,520,115.41 - Step 6: Final answer
x = 9,730,291.46
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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.