Home / 11,998,581.52-18,000,516.12-3,479,273.68

Finding the Fourth Proportional to 11,998,581.52, 18,000,516.12 and 3,479,273.68

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Solution

The fourth proportional to 11,998,581.52, 18,000,516.12 and 3,479,273.68 is: 5,219,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998,581.52 : 18,000,516.12 = 3,479,273.68 : x
  2. Step 2: Convert to fraction form
    11,998,581.52/18,000,516.12 = 3,479,273.68/x
  3. Step 3: Cross multiply
    11,998,581.52x = 18,000,516.12 × 3,479,273.68
  4. Step 4: Simplify right side
    11,998,581.52x = 62,628,721,962,731.73
  5. Step 5: Solve for x
    x = 62,628,721,962,731.73/11,998,581.52
  6. Step 6: Final answer
    x = 5,219,677.16

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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.