Home / 8,150,608.10-12,225,912.15-7,338,793.70

Finding the Fourth Proportional to 8,150,608.10, 12,225,912.15 and 7,338,793.70

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Solution

The fourth proportional to 8,150,608.10, 12,225,912.15 and 7,338,793.70 is: 11,008,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150,608.10 : 12,225,912.15 = 7,338,793.70 : x
  2. Step 2: Convert to fraction form
    8,150,608.10/12,225,912.15 = 7,338,793.70/x
  3. Step 3: Cross multiply
    8,150,608.10x = 12,225,912.15 × 7,338,793.70
  4. Step 4: Simplify right side
    8,150,608.10x = 89,723,447,063,173.45
  5. Step 5: Solve for x
    x = 89,723,447,063,173.45/8,150,608.10
  6. Step 6: Final answer
    x = 11,008,190.55

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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.