Home / 18,895,023.20-28,345,299.60-6,113,352.80

Finding the Fourth Proportional to 18,895,023.20, 28,345,299.60 and 6,113,352.80

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Solution

The fourth proportional to 18,895,023.20, 28,345,299.60 and 6,113,352.80 is: 9,170,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,023.20 : 28,345,299.60 = 6,113,352.80 : x
  2. Step 2: Convert to fraction form
    18,895,023.20/28,345,299.60 = 6,113,352.80/x
  3. Step 3: Cross multiply
    18,895,023.20x = 28,345,299.60 × 6,113,352.80
  4. Step 4: Simplify right side
    18,895,023.20x = 173,284,816,676,498.88
  5. Step 5: Solve for x
    x = 173,284,816,676,498.88/18,895,023.20
  6. Step 6: Final answer
    x = 9,170,923.73

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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.