Finding the Fourth Proportional to 8,496,774.66, 12,745,174.18 and 6,486,432.86
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Solution
The fourth proportional to 8,496,774.66, 12,745,174.18 and 6,486,432.86 is: 9,729,658.60
Step by Step Solution
- Step 1: Write the proportion equation
8,496,774.66 : 12,745,174.18 = 6,486,432.86 : x - Step 2: Convert to fraction form
8,496,774.66/12,745,174.18 = 6,486,432.86/x - Step 3: Cross multiply
8,496,774.66x = 12,745,174.18 × 6,486,432.86 - Step 4: Simplify right side
8,496,774.66x = 82,670,716,607,575.56 - Step 5: Solve for x
x = 82,670,716,607,575.56/8,496,774.66 - Step 6: Final answer
x = 9,729,658.60
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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.