Home / 8,858,740.20-13,288,110.30-8,690,778.60

Finding the Fourth Proportional to 8,858,740.20, 13,288,110.30 and 8,690,778.60

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Solution

The fourth proportional to 8,858,740.20, 13,288,110.30 and 8,690,778.60 is: 13,036,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,740.20 : 13,288,110.30 = 8,690,778.60 : x
  2. Step 2: Convert to fraction form
    8,858,740.20/13,288,110.30 = 8,690,778.60/x
  3. Step 3: Cross multiply
    8,858,740.20x = 13,288,110.30 × 8,690,778.60
  4. Step 4: Simplify right side
    8,858,740.20x = 115,484,024,629,679.58
  5. Step 5: Solve for x
    x = 115,484,024,629,679.58/8,858,740.20
  6. Step 6: Final answer
    x = 13,036,167.90

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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.