Finding the Fourth Proportional to 8,145,701.70, 12,215,442.15 and 2,464,037.70
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Solution
The fourth proportional to 8,145,701.70, 12,215,442.15 and 2,464,037.70 is: 3,695,115.67
Step by Step Solution
- Step 1: Write the proportion equation
8,145,701.70 : 12,215,442.15 = 2,464,037.70 : x - Step 2: Convert to fraction form
8,145,701.70/12,215,442.15 = 2,464,037.70/x - Step 3: Cross multiply
8,145,701.70x = 12,215,442.15 × 2,464,037.70 - Step 4: Simplify right side
8,145,701.70x = 30,099,309,979,769.06 - Step 5: Solve for x
x = 30,099,309,979,769.06/8,145,701.70 - Step 6: Final answer
x = 3,695,115.67
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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.