Home / 8,291,709.60-12,456,226.80-8,067,760.80

Finding the Fourth Proportional to 8,291,709.60, 12,456,226.80 and 8,067,760.80

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Solution

The fourth proportional to 8,291,709.60, 12,456,226.80 and 8,067,760.80 is: 12,119,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,709.60 : 12,456,226.80 = 8,067,760.80 : x
  2. Step 2: Convert to fraction form
    8,291,709.60/12,456,226.80 = 8,067,760.80/x
  3. Step 3: Cross multiply
    8,291,709.60x = 12,456,226.80 × 8,067,760.80
  4. Step 4: Simplify right side
    8,291,709.60x = 100,493,858,292,949.44
  5. Step 5: Solve for x
    x = 100,493,858,292,949.44/8,291,709.60
  6. Step 6: Final answer
    x = 12,119,799.55

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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.