Finding the Fourth Proportional to 8,380,318.62, 12,565,333.41 and 3,256,765.98
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Solution
The fourth proportional to 8,380,318.62, 12,565,333.41 and 3,256,765.98 is: 4,883,149.70
Step by Step Solution
- Step 1: Write the proportion equation
8,380,318.62 : 12,565,333.41 = 3,256,765.98 : x - Step 2: Convert to fraction form
8,380,318.62/12,565,333.41 = 3,256,765.98/x - Step 3: Cross multiply
8,380,318.62x = 12,565,333.41 × 3,256,765.98 - Step 4: Simplify right side
8,380,318.62x = 40,922,350,377,045.39 - Step 5: Solve for x
x = 40,922,350,377,045.39/8,380,318.62 - Step 6: Final answer
x = 4,883,149.70
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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.