Home / 18,148,138.80-27,222,208.20-18,022,167.60

Finding the Fourth Proportional to 18,148,138.80, 27,222,208.20 and 18,022,167.60

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Solution

The fourth proportional to 18,148,138.80, 27,222,208.20 and 18,022,167.60 is: 27,033,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,138.80 : 27,222,208.20 = 18,022,167.60 : x
  2. Step 2: Convert to fraction form
    18,148,138.80/27,222,208.20 = 18,022,167.60/x
  3. Step 3: Cross multiply
    18,148,138.80x = 27,222,208.20 × 18,022,167.60
  4. Step 4: Simplify right side
    18,148,138.80x = 490,603,198,622,494.38
  5. Step 5: Solve for x
    x = 490,603,198,622,494.38/18,148,138.80
  6. Step 6: Final answer
    x = 27,033,251.40

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1.5x scale

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.