Home / 38,667,339.30-53,361,939.56-21,027,273.54

Finding the Fourth Proportional to 38,667,339.30, 53,361,939.56 and 21,027,273.54

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Solution

The fourth proportional to 38,667,339.30, 53,361,939.56 and 21,027,273.54 is: 29,018,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667,339.30 : 53,361,939.56 = 21,027,273.54 : x
  2. Step 2: Convert to fraction form
    38,667,339.30/53,361,939.56 = 21,027,273.54/x
  3. Step 3: Cross multiply
    38,667,339.30x = 53,361,939.56 × 21,027,273.54
  4. Step 4: Simplify right side
    38,667,339.30x = 1,122,056,099,753,067.25
  5. Step 5: Solve for x
    x = 1,122,056,099,753,067.25/38,667,339.30
  6. Step 6: Final answer
    x = 29,018,187.44

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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.