Home / 12,555,013.56-18,832,695.18-3,579,565.56

Finding the Fourth Proportional to 12,555,013.56, 18,832,695.18 and 3,579,565.56

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Solution

The fourth proportional to 12,555,013.56, 18,832,695.18 and 3,579,565.56 is: 5,369,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,013.56 : 18,832,695.18 = 3,579,565.56 : x
  2. Step 2: Convert to fraction form
    12,555,013.56/18,832,695.18 = 3,579,565.56/x
  3. Step 3: Cross multiply
    12,555,013.56x = 18,832,695.18 × 3,579,565.56
  4. Step 4: Simplify right side
    12,555,013.56x = 67,412,867,068,306
  5. Step 5: Solve for x
    x = 67,412,867,068,306/12,555,013.56
  6. Step 6: Final answer
    x = 5,369,398.19

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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.