Home / 20,858,767.20-31,302,147.60-9,493,365.60

Finding the Fourth Proportional to 20,858,767.20, 31,302,147.60 and 9,493,365.60

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Solution

The fourth proportional to 20,858,767.20, 31,302,147.60 and 9,493,365.60 is: 14,246,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858,767.20 : 31,302,147.60 = 9,493,365.60 : x
  2. Step 2: Convert to fraction form
    20,858,767.20/31,302,147.60 = 9,493,365.60/x
  3. Step 3: Cross multiply
    20,858,767.20x = 31,302,147.60 × 9,493,365.60
  4. Step 4: Simplify right side
    20,858,767.20x = 297,162,731,231,962.56
  5. Step 5: Solve for x
    x = 297,162,731,231,962.56/20,858,767.20
  6. Step 6: Final answer
    x = 14,246,418.71

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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.