Home / 12,820,509.36-19,231,759.92-3,722,757.12

Finding the Fourth Proportional to 12,820,509.36, 19,231,759.92 and 3,722,757.12

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Solution

The fourth proportional to 12,820,509.36, 19,231,759.92 and 3,722,757.12 is: 5,584,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,509.36 : 19,231,759.92 = 3,722,757.12 : x
  2. Step 2: Convert to fraction form
    12,820,509.36/19,231,759.92 = 3,722,757.12/x
  3. Step 3: Cross multiply
    12,820,509.36x = 19,231,759.92 × 3,722,757.12
  4. Step 4: Simplify right side
    12,820,509.36x = 71,595,171,172,310.64
  5. Step 5: Solve for x
    x = 71,595,171,172,310.64/12,820,509.36
  6. Step 6: Final answer
    x = 5,584,424.86

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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.