Home / 20,384,005.80-30,576,008.70-8,253,445.80

Finding the Fourth Proportional to 20,384,005.80, 30,576,008.70 and 8,253,445.80

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Solution

The fourth proportional to 20,384,005.80, 30,576,008.70 and 8,253,445.80 is: 12,380,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,384,005.80 : 30,576,008.70 = 8,253,445.80 : x
  2. Step 2: Convert to fraction form
    20,384,005.80/30,576,008.70 = 8,253,445.80/x
  3. Step 3: Cross multiply
    20,384,005.80x = 30,576,008.70 × 8,253,445.80
  4. Step 4: Simplify right side
    20,384,005.80x = 252,357,430,585,778.44
  5. Step 5: Solve for x
    x = 252,357,430,585,778.44/20,384,005.80
  6. Step 6: Final answer
    x = 12,380,168.70

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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.