Home / 40,004,524.38-55,206,508.47-21,669,809.66

Finding the Fourth Proportional to 40,004,524.38, 55,206,508.47 and 21,669,809.66

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Solution

The fourth proportional to 40,004,524.38, 55,206,508.47 and 21,669,809.66 is: 29,904,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,004,524.38 : 55,206,508.47 = 21,669,809.66 : x
  2. Step 2: Convert to fraction form
    40,004,524.38/55,206,508.47 = 21,669,809.66/x
  3. Step 3: Cross multiply
    40,004,524.38x = 55,206,508.47 × 21,669,809.66
  4. Step 4: Simplify right side
    40,004,524.38x = 1,196,314,530,538,077.75
  5. Step 5: Solve for x
    x = 1,196,314,530,538,077.75/40,004,524.38
  6. Step 6: Final answer
    x = 29,904,480.78

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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.