Home / 39,741,990.43-54,835,906.72-23,218,923.85

Finding the Fourth Proportional to 39,741,990.43, 54,835,906.72 and 23,218,923.85

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Solution

The fourth proportional to 39,741,990.43, 54,835,906.72 and 23,218,923.85 is: 32,037,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,741,990.43 : 54,835,906.72 = 23,218,923.85 : x
  2. Step 2: Convert to fraction form
    39,741,990.43/54,835,906.72 = 23,218,923.85/x
  3. Step 3: Cross multiply
    39,741,990.43x = 54,835,906.72 × 23,218,923.85
  4. Step 4: Simplify right side
    39,741,990.43x = 1,273,230,742,377,383.25
  5. Step 5: Solve for x
    x = 1,273,230,742,377,383.25/39,741,990.43
  6. Step 6: Final answer
    x = 32,037,417.57

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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.