Home / 13,614,167.22-18,787,554.09-7,419,215.76

Finding the Fourth Proportional to 13,614,167.22, 18,787,554.09 and 7,419,215.76

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Solution

The fourth proportional to 13,614,167.22, 18,787,554.09 and 7,419,215.76 is: 10,238,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,167.22 : 18,787,554.09 = 7,419,215.76 : x
  2. Step 2: Convert to fraction form
    13,614,167.22/18,787,554.09 = 7,419,215.76/x
  3. Step 3: Cross multiply
    13,614,167.22x = 18,787,554.09 × 7,419,215.76
  4. Step 4: Simplify right side
    13,614,167.22x = 139,388,917,396,380.45
  5. Step 5: Solve for x
    x = 139,388,917,396,380.45/13,614,167.22
  6. Step 6: Final answer
    x = 10,238,519.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.