Home / 16,720,321.72-25,074,465.36-5,787,540.82

Finding the Fourth Proportional to 16,720,321.72, 25,074,465.36 and 5,787,540.82

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Solution

The fourth proportional to 16,720,321.72, 25,074,465.36 and 5,787,540.82 is: 8,679,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720,321.72 : 25,074,465.36 = 5,787,540.82 : x
  2. Step 2: Convert to fraction form
    16,720,321.72/25,074,465.36 = 5,787,540.82/x
  3. Step 3: Cross multiply
    16,720,321.72x = 25,074,465.36 × 5,787,540.82
  4. Step 4: Simplify right side
    16,720,321.72x = 145,119,491,810,676
  5. Step 5: Solve for x
    x = 145,119,491,810,676/16,720,321.72
  6. Step 6: Final answer
    x = 8,679,228.44

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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.