Home / 20,383,847.80-30,575,771.70-8,253,287.80

Finding the Fourth Proportional to 20,383,847.80, 30,575,771.70 and 8,253,287.80

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Solution

The fourth proportional to 20,383,847.80, 30,575,771.70 and 8,253,287.80 is: 12,379,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383,847.80 : 30,575,771.70 = 8,253,287.80 : x
  2. Step 2: Convert to fraction form
    20,383,847.80/30,575,771.70 = 8,253,287.80/x
  3. Step 3: Cross multiply
    20,383,847.80x = 30,575,771.70 × 8,253,287.80
  4. Step 4: Simplify right side
    20,383,847.80x = 252,350,643,547,195.25
  5. Step 5: Solve for x
    x = 252,350,643,547,195.25/20,383,847.80
  6. Step 6: Final answer
    x = 12,379,931.70

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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.