Home / 20,211,456.70-27,891,882.86-11,044,099.45

Finding the Fourth Proportional to 20,211,456.70, 27,891,882.86 and 11,044,099.45

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Solution

The fourth proportional to 20,211,456.70, 27,891,882.86 and 11,044,099.45 is: 15,240,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,456.70 : 27,891,882.86 = 11,044,099.45 : x
  2. Step 2: Convert to fraction form
    20,211,456.70/27,891,882.86 = 11,044,099.45/x
  3. Step 3: Cross multiply
    20,211,456.70x = 27,891,882.86 × 11,044,099.45
  4. Step 4: Simplify right side
    20,211,456.70x = 308,040,728,028,640.25
  5. Step 5: Solve for x
    x = 308,040,728,028,640.25/20,211,456.70
  6. Step 6: Final answer
    x = 15,240,896.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.