Home / 18,135,135.20-27,234,195.60-9,632,079.20

Finding the Fourth Proportional to 18,135,135.20, 27,234,195.60 and 9,632,079.20

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Solution

The fourth proportional to 18,135,135.20, 27,234,195.60 and 9,632,079.20 is: 14,464,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,135.20 : 27,234,195.60 = 9,632,079.20 : x
  2. Step 2: Convert to fraction form
    18,135,135.20/27,234,195.60 = 9,632,079.20/x
  3. Step 3: Cross multiply
    18,135,135.20x = 27,234,195.60 × 9,632,079.20
  4. Step 4: Simplify right side
    18,135,135.20x = 262,321,928,967,491.50
  5. Step 5: Solve for x
    x = 262,321,928,967,491.50/18,135,135.20
  6. Step 6: Final answer
    x = 14,464,845.51

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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.