Home / 12,096,744.70-18,145,117.05-7,813,723.90

Finding the Fourth Proportional to 12,096,744.70, 18,145,117.05 and 7,813,723.90

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Solution

The fourth proportional to 12,096,744.70, 18,145,117.05 and 7,813,723.90 is: 11,720,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,744.70 : 18,145,117.05 = 7,813,723.90 : x
  2. Step 2: Convert to fraction form
    12,096,744.70/18,145,117.05 = 7,813,723.90/x
  3. Step 3: Cross multiply
    12,096,744.70x = 18,145,117.05 × 7,813,723.90
  4. Step 4: Simplify right side
    12,096,744.70x = 141,780,934,761,882.50
  5. Step 5: Solve for x
    x = 141,780,934,761,882.50/12,096,744.70
  6. Step 6: Final answer
    x = 11,720,585.85

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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.