Home / 20,171,448.73-27,836,469.32-11,469,620.66

Finding the Fourth Proportional to 20,171,448.73, 27,836,469.32 and 11,469,620.66

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Solution

The fourth proportional to 20,171,448.73, 27,836,469.32 and 11,469,620.66 is: 15,828,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171,448.73 : 27,836,469.32 = 11,469,620.66 : x
  2. Step 2: Convert to fraction form
    20,171,448.73/27,836,469.32 = 11,469,620.66/x
  3. Step 3: Cross multiply
    20,171,448.73x = 27,836,469.32 × 11,469,620.66
  4. Step 4: Simplify right side
    20,171,448.73x = 319,273,743,417,597.69
  5. Step 5: Solve for x
    x = 319,273,743,417,597.69/20,171,448.73
  6. Step 6: Final answer
    x = 15,828,002.62

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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.