Home / 8,103,694.08-11,172,154.24-5,198,040.96

Finding the Fourth Proportional to 8,103,694.08, 11,172,154.24 and 5,198,040.96

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Solution

The fourth proportional to 8,103,694.08, 11,172,154.24 and 5,198,040.96 is: 7,166,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,694.08 : 11,172,154.24 = 5,198,040.96 : x
  2. Step 2: Convert to fraction form
    8,103,694.08/11,172,154.24 = 5,198,040.96/x
  3. Step 3: Cross multiply
    8,103,694.08x = 11,172,154.24 × 5,198,040.96
  4. Step 4: Simplify right side
    8,103,694.08x = 58,073,315,350,957.67
  5. Step 5: Solve for x
    x = 58,073,315,350,957.67/8,103,694.08
  6. Step 6: Final answer
    x = 7,166,276.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.