Home / 8,154,318.29-12,215,148.72-4,914,053.61

Finding the Fourth Proportional to 8,154,318.29, 12,215,148.72 and 4,914,053.61

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Solution

The fourth proportional to 8,154,318.29, 12,215,148.72 and 4,914,053.61 is: 7,361,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154,318.29 : 12,215,148.72 = 4,914,053.61 : x
  2. Step 2: Convert to fraction form
    8,154,318.29/12,215,148.72 = 4,914,053.61/x
  3. Step 3: Cross multiply
    8,154,318.29x = 12,215,148.72 × 4,914,053.61
  4. Step 4: Simplify right side
    8,154,318.29x = 60,025,895,664,202.88
  5. Step 5: Solve for x
    x = 60,025,895,664,202.88/8,154,318.29
  6. Step 6: Final answer
    x = 7,361,240.21

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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.