Home / 8,259,562.31-12,389,587.88-3,942,067.50

Finding the Fourth Proportional to 8,259,562.31, 12,389,587.88 and 3,942,067.50

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Solution

The fourth proportional to 8,259,562.31, 12,389,587.88 and 3,942,067.50 is: 5,913,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259,562.31 : 12,389,587.88 = 3,942,067.50 : x
  2. Step 2: Convert to fraction form
    8,259,562.31/12,389,587.88 = 3,942,067.50/x
  3. Step 3: Cross multiply
    8,259,562.31x = 12,389,587.88 × 3,942,067.50
  4. Step 4: Simplify right side
    8,259,562.31x = 48,840,591,700,431.56
  5. Step 5: Solve for x
    x = 48,840,591,700,431.56/8,259,562.31
  6. Step 6: Final answer
    x = 5,913,217.90

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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.