Home / 18,895,021.20-28,345,296.60-6,113,350.80

Finding the Fourth Proportional to 18,895,021.20, 28,345,296.60 and 6,113,350.80

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Solution

The fourth proportional to 18,895,021.20, 28,345,296.60 and 6,113,350.80 is: 9,170,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,021.20 : 28,345,296.60 = 6,113,350.80 : x
  2. Step 2: Convert to fraction form
    18,895,021.20/28,345,296.60 = 6,113,350.80/x
  3. Step 3: Cross multiply
    18,895,021.20x = 28,345,296.60 × 6,113,350.80
  4. Step 4: Simplify right side
    18,895,021.20x = 173,284,741,645,847.28
  5. Step 5: Solve for x
    x = 173,284,741,645,847.28/18,895,021.20
  6. Step 6: Final answer
    x = 9,170,920.73

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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.