Home / 20,171,456.24-27,836,479.66-11,469,628.16

Finding the Fourth Proportional to 20,171,456.24, 27,836,479.66 and 11,469,628.16

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Solution

The fourth proportional to 20,171,456.24, 27,836,479.66 and 11,469,628.16 is: 15,828,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171,456.24 : 27,836,479.66 = 11,469,628.16 : x
  2. Step 2: Convert to fraction form
    20,171,456.24/27,836,479.66 = 11,469,628.16/x
  3. Step 3: Cross multiply
    20,171,456.24x = 27,836,479.66 × 11,469,628.16
  4. Step 4: Simplify right side
    20,171,456.24x = 319,274,070,983,603.25
  5. Step 5: Solve for x
    x = 319,274,070,983,603.25/20,171,456.24
  6. Step 6: Final answer
    x = 15,828,012.97

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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.