Home / 20,170,190.70-30,255,286.05-5,024,122.20

Finding the Fourth Proportional to 20,170,190.70, 30,255,286.05 and 5,024,122.20

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Solution

The fourth proportional to 20,170,190.70, 30,255,286.05 and 5,024,122.20 is: 7,536,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170,190.70 : 30,255,286.05 = 5,024,122.20 : x
  2. Step 2: Convert to fraction form
    20,170,190.70/30,255,286.05 = 5,024,122.20/x
  3. Step 3: Cross multiply
    20,170,190.70x = 30,255,286.05 × 5,024,122.20
  4. Step 4: Simplify right side
    20,170,190.70x = 152,006,254,311,155.31
  5. Step 5: Solve for x
    x = 152,006,254,311,155.31/20,170,190.70
  6. Step 6: Final answer
    x = 7,536,183.30

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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.