Home / 8,068,150.80-12,067,234.20-7,221,344.40

Finding the Fourth Proportional to 8,068,150.80, 12,067,234.20 and 7,221,344.40

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Solution

The fourth proportional to 8,068,150.80, 12,067,234.20 and 7,221,344.40 is: 10,800,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068,150.80 : 12,067,234.20 = 7,221,344.40 : x
  2. Step 2: Convert to fraction form
    8,068,150.80/12,067,234.20 = 7,221,344.40/x
  3. Step 3: Cross multiply
    8,068,150.80x = 12,067,234.20 × 7,221,344.40
  4. Step 4: Simplify right side
    8,068,150.80x = 87,141,654,113,658.48
  5. Step 5: Solve for x
    x = 87,141,654,113,658.48/8,068,150.80
  6. Step 6: Final answer
    x = 10,800,697.24

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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.