Home / 20,494,964.35-30,741,956.48-6,661,905.71

Finding the Fourth Proportional to 20,494,964.35, 30,741,956.48 and 6,661,905.71

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Solution

The fourth proportional to 20,494,964.35, 30,741,956.48 and 6,661,905.71 is: 9,992,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,964.35 : 30,741,956.48 = 6,661,905.71 : x
  2. Step 2: Convert to fraction form
    20,494,964.35/30,741,956.48 = 6,661,905.71/x
  3. Step 3: Cross multiply
    20,494,964.35x = 30,741,956.48 × 6,661,905.71
  4. Step 4: Simplify right side
    20,494,964.35x = 204,800,015,377,373.97
  5. Step 5: Solve for x
    x = 204,800,015,377,373.97/20,494,964.35
  6. Step 6: Final answer
    x = 9,992,699.28

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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.