Home / 20,672,608.44-31,006,546.60-5,527,720.92

Finding the Fourth Proportional to 20,672,608.44, 31,006,546.60 and 5,527,720.92

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Solution

The fourth proportional to 20,672,608.44, 31,006,546.60 and 5,527,720.92 is: 8,290,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,608.44 : 31,006,546.60 = 5,527,720.92 : x
  2. Step 2: Convert to fraction form
    20,672,608.44/31,006,546.60 = 5,527,720.92/x
  3. Step 3: Cross multiply
    20,672,608.44x = 31,006,546.60 × 5,527,720.92
  4. Step 4: Simplify right side
    20,672,608.44x = 171,395,536,297,774.88
  5. Step 5: Solve for x
    x = 171,395,536,297,774.88/20,672,608.44
  6. Step 6: Final answer
    x = 8,290,948.71

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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.