Home / 20,170,197.20-30,255,295.80-5,024,128.70

Finding the Fourth Proportional to 20,170,197.20, 30,255,295.80 and 5,024,128.70

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Solution

The fourth proportional to 20,170,197.20, 30,255,295.80 and 5,024,128.70 is: 7,536,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170,197.20 : 30,255,295.80 = 5,024,128.70 : x
  2. Step 2: Convert to fraction form
    20,170,197.20/30,255,295.80 = 5,024,128.70/x
  3. Step 3: Cross multiply
    20,170,197.20x = 30,255,295.80 × 5,024,128.70
  4. Step 4: Simplify right side
    20,170,197.20x = 152,006,499,955,769.47
  5. Step 5: Solve for x
    x = 152,006,499,955,769.47/20,170,197.20
  6. Step 6: Final answer
    x = 7,536,193.05

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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.