Home / 18,126,545.82-27,189,551.93-4,479,691.45

Finding the Fourth Proportional to 18,126,545.82, 27,189,551.93 and 4,479,691.45

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Solution

The fourth proportional to 18,126,545.82, 27,189,551.93 and 4,479,691.45 is: 6,719,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,545.82 : 27,189,551.93 = 4,479,691.45 : x
  2. Step 2: Convert to fraction form
    18,126,545.82/27,189,551.93 = 4,479,691.45/x
  3. Step 3: Cross multiply
    18,126,545.82x = 27,189,551.93 × 4,479,691.45
  4. Step 4: Simplify right side
    18,126,545.82x = 121,800,803,283,361.44
  5. Step 5: Solve for x
    x = 121,800,803,283,361.44/18,126,545.82
  6. Step 6: Final answer
    x = 6,719,471.24

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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.