Home / 22,469,964.38-31,029,965.94-21,245,804.28

Finding the Fourth Proportional to 22,469,964.38, 31,029,965.94 and 21,245,804.28

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Solution

The fourth proportional to 22,469,964.38, 31,029,965.94 and 21,245,804.28 is: 29,339,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469,964.38 : 31,029,965.94 = 21,245,804.28 : x
  2. Step 2: Convert to fraction form
    22,469,964.38/31,029,965.94 = 21,245,804.28/x
  3. Step 3: Cross multiply
    22,469,964.38x = 31,029,965.94 × 21,245,804.28
  4. Step 4: Simplify right side
    22,469,964.38x = 659,256,583,176,306.25
  5. Step 5: Solve for x
    x = 659,256,583,176,306.25/22,469,964.38
  6. Step 6: Final answer
    x = 29,339,458.32

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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.