Home / 20,151,469.82-30,231,498.54-6,505,391.72

Finding the Fourth Proportional to 20,151,469.82, 30,231,498.54 and 6,505,391.72

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Solution

The fourth proportional to 20,151,469.82, 30,231,498.54 and 6,505,391.72 is: 9,759,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,469.82 : 30,231,498.54 = 6,505,391.72 : x
  2. Step 2: Convert to fraction form
    20,151,469.82/30,231,498.54 = 6,505,391.72/x
  3. Step 3: Cross multiply
    20,151,469.82x = 30,231,498.54 × 6,505,391.72
  4. Step 4: Simplify right side
    20,151,469.82x = 196,667,740,285,308.06
  5. Step 5: Solve for x
    x = 196,667,740,285,308.06/20,151,469.82
  6. Step 6: Final answer
    x = 9,759,473.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.