Home / 8,840,443.20-12,192,533.28-5,215,272

Finding the Fourth Proportional to 8,840,443.20, 12,192,533.28 and 5,215,272

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Solution

The fourth proportional to 8,840,443.20, 12,192,533.28 and 5,215,272 is: 7,192,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840,443.20 : 12,192,533.28 = 5,215,272 : x
  2. Step 2: Convert to fraction form
    8,840,443.20/12,192,533.28 = 5,215,272/x
  3. Step 3: Cross multiply
    8,840,443.20x = 12,192,533.28 × 5,215,272
  4. Step 4: Simplify right side
    8,840,443.20x = 63,587,377,424,252.16
  5. Step 5: Solve for x
    x = 63,587,377,424,252.16/8,840,443.20
  6. Step 6: Final answer
    x = 7,192,781.63

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1.5x scale

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.