Home / 12,281,493.28-18,413,141.92-5,885,655.52

Finding the Fourth Proportional to 12,281,493.28, 18,413,141.92 and 5,885,655.52

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Solution

The fourth proportional to 12,281,493.28, 18,413,141.92 and 5,885,655.52 is: 8,824,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281,493.28 : 18,413,141.92 = 5,885,655.52 : x
  2. Step 2: Convert to fraction form
    12,281,493.28/18,413,141.92 = 5,885,655.52/x
  3. Step 3: Cross multiply
    12,281,493.28x = 18,413,141.92 × 5,885,655.52
  4. Step 4: Simplify right side
    12,281,493.28x = 108,373,410,381,991.41
  5. Step 5: Solve for x
    x = 108,373,410,381,991.41/12,281,493.28
  6. Step 6: Final answer
    x = 8,824,123.25

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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.