Home / 39,229,627.52-54,135,523.08-21,586,879.76

Finding the Fourth Proportional to 39,229,627.52, 54,135,523.08 and 21,586,879.76

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Solution

The fourth proportional to 39,229,627.52, 54,135,523.08 and 21,586,879.76 is: 29,789,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229,627.52 : 54,135,523.08 = 21,586,879.76 : x
  2. Step 2: Convert to fraction form
    39,229,627.52/54,135,523.08 = 21,586,879.76/x
  3. Step 3: Cross multiply
    39,229,627.52x = 54,135,523.08 × 21,586,879.76
  4. Step 4: Simplify right side
    39,229,627.52x = 1,168,617,027,472,665
  5. Step 5: Solve for x
    x = 1,168,617,027,472,665/39,229,627.52
  6. Step 6: Final answer
    x = 29,789,144.11

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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.