Home / 12,280,535.88-18,396,867.12-7,476,309.24

Finding the Fourth Proportional to 12,280,535.88, 18,396,867.12 and 7,476,309.24

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Solution

The fourth proportional to 12,280,535.88, 18,396,867.12 and 7,476,309.24 is: 11,199,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,535.88 : 18,396,867.12 = 7,476,309.24 : x
  2. Step 2: Convert to fraction form
    12,280,535.88/18,396,867.12 = 7,476,309.24/x
  3. Step 3: Cross multiply
    12,280,535.88x = 18,396,867.12 × 7,476,309.24
  4. Step 4: Simplify right side
    12,280,535.88x = 137,540,667,636,308.20
  5. Step 5: Solve for x
    x = 137,540,667,636,308.20/12,280,535.88
  6. Step 6: Final answer
    x = 11,199,891.35

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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.