Home / 20,188,016.20-30,282,024.30-18,629,122.60

Finding the Fourth Proportional to 20,188,016.20, 30,282,024.30 and 18,629,122.60

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Solution

The fourth proportional to 20,188,016.20, 30,282,024.30 and 18,629,122.60 is: 27,943,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,016.20 : 30,282,024.30 = 18,629,122.60 : x
  2. Step 2: Convert to fraction form
    20,188,016.20/30,282,024.30 = 18,629,122.60/x
  3. Step 3: Cross multiply
    20,188,016.20x = 30,282,024.30 × 18,629,122.60
  4. Step 4: Simplify right side
    20,188,016.20x = 564,127,543,260,879.25
  5. Step 5: Solve for x
    x = 564,127,543,260,879.25/20,188,016.20
  6. Step 6: Final answer
    x = 27,943,683.90

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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.