Home / 20,733,500.80-31,100,251.20-13,193,891.20

Finding the Fourth Proportional to 20,733,500.80, 31,100,251.20 and 13,193,891.20

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Solution

The fourth proportional to 20,733,500.80, 31,100,251.20 and 13,193,891.20 is: 19,790,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,500.80 : 31,100,251.20 = 13,193,891.20 : x
  2. Step 2: Convert to fraction form
    20,733,500.80/31,100,251.20 = 13,193,891.20/x
  3. Step 3: Cross multiply
    20,733,500.80x = 31,100,251.20 × 13,193,891.20
  4. Step 4: Simplify right side
    20,733,500.80x = 410,333,330,625,469.44
  5. Step 5: Solve for x
    x = 410,333,330,625,469.44/20,733,500.80
  6. Step 6: Final answer
    x = 19,790,836.80

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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.