Home / 20,494,991.20-30,741,996.72-6,661,932.60

Finding the Fourth Proportional to 20,494,991.20, 30,741,996.72 and 6,661,932.60

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Solution

The fourth proportional to 20,494,991.20, 30,741,996.72 and 6,661,932.60 is: 9,992,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,991.20 : 30,741,996.72 = 6,661,932.60 : x
  2. Step 2: Convert to fraction form
    20,494,991.20/30,741,996.72 = 6,661,932.60/x
  3. Step 3: Cross multiply
    20,494,991.20x = 30,741,996.72 × 6,661,932.60
  4. Step 4: Simplify right side
    20,494,991.20x = 204,801,110,138,061.06
  5. Step 5: Solve for x
    x = 204,801,110,138,061.06/20,494,991.20
  6. Step 6: Final answer
    x = 9,992,739.60

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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.