Home / 8,221,721.36-12,332,286.39-2,156,404.64

Finding the Fourth Proportional to 8,221,721.36, 12,332,286.39 and 2,156,404.64

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Solution

The fourth proportional to 8,221,721.36, 12,332,286.39 and 2,156,404.64 is: 3,234,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,721.36 : 12,332,286.39 = 2,156,404.64 : x
  2. Step 2: Convert to fraction form
    8,221,721.36/12,332,286.39 = 2,156,404.64/x
  3. Step 3: Cross multiply
    8,221,721.36x = 12,332,286.39 × 2,156,404.64
  4. Step 4: Simplify right side
    8,221,721.36x = 26,593,399,593,204.85
  5. Step 5: Solve for x
    x = 26,593,399,593,204.85/8,221,721.36
  6. Step 6: Final answer
    x = 3,234,529.42

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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.