Home / 20,672,452.38-31,006,314.36-5,527,564.86

Finding the Fourth Proportional to 20,672,452.38, 31,006,314.36 and 5,527,564.86

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Solution

The fourth proportional to 20,672,452.38, 31,006,314.36 and 5,527,564.86 is: 8,290,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,452.38 : 31,006,314.36 = 5,527,564.86 : x
  2. Step 2: Convert to fraction form
    20,672,452.38/31,006,314.36 = 5,527,564.86/x
  3. Step 3: Cross multiply
    20,672,452.38x = 31,006,314.36 × 5,527,564.86
  4. Step 4: Simplify right side
    20,672,452.38x = 171,389,413,694,449.41
  5. Step 5: Solve for x
    x = 171,389,413,694,449.41/20,672,452.38
  6. Step 6: Final answer
    x = 8,290,715.13

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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.