Home / 18,490,628.20-27,735,942.30-8,393,249.20

Finding the Fourth Proportional to 18,490,628.20, 27,735,942.30 and 8,393,249.20

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Solution

The fourth proportional to 18,490,628.20, 27,735,942.30 and 8,393,249.20 is: 12,589,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490,628.20 : 27,735,942.30 = 8,393,249.20 : x
  2. Step 2: Convert to fraction form
    18,490,628.20/27,735,942.30 = 8,393,249.20/x
  3. Step 3: Cross multiply
    18,490,628.20x = 27,735,942.30 × 8,393,249.20
  4. Step 4: Simplify right side
    18,490,628.20x = 232,794,675,520,721.16
  5. Step 5: Solve for x
    x = 232,794,675,520,721.16/18,490,628.20
  6. Step 6: Final answer
    x = 12,589,873.80

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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.