Home / 7,015,438.28-9,610,989.89-6,753,149.15

Finding the Fourth Proportional to 7,015,438.28, 9,610,989.89 and 6,753,149.15

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Solution

The fourth proportional to 7,015,438.28, 9,610,989.89 and 6,753,149.15 is: 9,251,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015,438.28 : 9,610,989.89 = 6,753,149.15 : x
  2. Step 2: Convert to fraction form
    7,015,438.28/9,610,989.89 = 6,753,149.15/x
  3. Step 3: Cross multiply
    7,015,438.28x = 9,610,989.89 × 6,753,149.15
  4. Step 4: Simplify right side
    7,015,438.28x = 64,904,448,206,312.10
  5. Step 5: Solve for x
    x = 64,904,448,206,312.10/7,015,438.28
  6. Step 6: Final answer
    x = 9,251,659.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.