Home / 8,768,610.80-13,138,919.40-7,340,937.20

Finding the Fourth Proportional to 8,768,610.80, 13,138,919.40 and 7,340,937.20

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Solution

The fourth proportional to 8,768,610.80, 13,138,919.40 and 7,340,937.20 is: 10,999,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,610.80 : 13,138,919.40 = 7,340,937.20 : x
  2. Step 2: Convert to fraction form
    8,768,610.80/13,138,919.40 = 7,340,937.20/x
  3. Step 3: Cross multiply
    8,768,610.80x = 13,138,919.40 × 7,340,937.20
  4. Step 4: Simplify right side
    8,768,610.80x = 96,451,982,191,261.69
  5. Step 5: Solve for x
    x = 96,451,982,191,261.69/8,768,610.80
  6. Step 6: Final answer
    x = 10,999,687.91

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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.