Home / 20,008,238.22-30,012,969.69-13,854,195.18

Finding the Fourth Proportional to 20,008,238.22, 30,012,969.69 and 13,854,195.18

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Solution

The fourth proportional to 20,008,238.22, 30,012,969.69 and 13,854,195.18 is: 20,781,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008,238.22 : 30,012,969.69 = 13,854,195.18 : x
  2. Step 2: Convert to fraction form
    20,008,238.22/30,012,969.69 = 13,854,195.18/x
  3. Step 3: Cross multiply
    20,008,238.22x = 30,012,969.69 × 13,854,195.18
  4. Step 4: Simplify right side
    20,008,238.22x = 415,805,540,016,684.12
  5. Step 5: Solve for x
    x = 415,805,540,016,684.12/20,008,238.22
  6. Step 6: Final answer
    x = 20,781,716.78

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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.