Home / 9,138,168.91-13,707,147.70-2,221,687.46

Finding the Fourth Proportional to 9,138,168.91, 13,707,147.70 and 2,221,687.46

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Solution

The fourth proportional to 9,138,168.91, 13,707,147.70 and 2,221,687.46 is: 3,332,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,168.91 : 13,707,147.70 = 2,221,687.46 : x
  2. Step 2: Convert to fraction form
    9,138,168.91/13,707,147.70 = 2,221,687.46/x
  3. Step 3: Cross multiply
    9,138,168.91x = 13,707,147.70 × 2,221,687.46
  4. Step 4: Simplify right side
    9,138,168.91x = 30,452,998,182,005.83
  5. Step 5: Solve for x
    x = 30,452,998,182,005.83/9,138,168.91
  6. Step 6: Final answer
    x = 3,332,505.50

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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.