Home / 20,177,951.34-30,246,691.80-10,457,120.44

Finding the Fourth Proportional to 20,177,951.34, 30,246,691.80 and 10,457,120.44

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Solution

The fourth proportional to 20,177,951.34, 30,246,691.80 and 10,457,120.44 is: 15,675,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,951.34 : 30,246,691.80 = 10,457,120.44 : x
  2. Step 2: Convert to fraction form
    20,177,951.34/30,246,691.80 = 10,457,120.44/x
  3. Step 3: Cross multiply
    20,177,951.34x = 30,246,691.80 × 10,457,120.44
  4. Step 4: Simplify right side
    20,177,951.34x = 316,293,298,912,213.56
  5. Step 5: Solve for x
    x = 316,293,298,912,213.56/20,177,951.34
  6. Step 6: Final answer
    x = 15,675,193.86

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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.