Home / 12,474,335.20-18,711,502.80-11,541,215.20

Finding the Fourth Proportional to 12,474,335.20, 18,711,502.80 and 11,541,215.20

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Solution

The fourth proportional to 12,474,335.20, 18,711,502.80 and 11,541,215.20 is: 17,311,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,335.20 : 18,711,502.80 = 11,541,215.20 : x
  2. Step 2: Convert to fraction form
    12,474,335.20/18,711,502.80 = 11,541,215.20/x
  3. Step 3: Cross multiply
    12,474,335.20x = 18,711,502.80 × 11,541,215.20
  4. Step 4: Simplify right side
    12,474,335.20x = 215,953,480,530,202.56
  5. Step 5: Solve for x
    x = 215,953,480,530,202.56/12,474,335.20
  6. Step 6: Final answer
    x = 17,311,822.80

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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.