Home / 9,876,651.20-14,846,469.60-9,309,780.80

Finding the Fourth Proportional to 9,876,651.20, 14,846,469.60 and 9,309,780.80

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Solution

The fourth proportional to 9,876,651.20, 14,846,469.60 and 9,309,780.80 is: 13,994,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876,651.20 : 14,846,469.60 = 9,309,780.80 : x
  2. Step 2: Convert to fraction form
    9,876,651.20/14,846,469.60 = 9,309,780.80/x
  3. Step 3: Cross multiply
    9,876,651.20x = 14,846,469.60 × 9,309,780.80
  4. Step 4: Simplify right side
    9,876,651.20x = 138,217,377,629,863.69
  5. Step 5: Solve for x
    x = 138,217,377,629,863.69/9,876,651.20
  6. Step 6: Final answer
    x = 13,994,356.47

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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.