Home / 18,944,055.20-28,419,769.20-8,161,335.20

Finding the Fourth Proportional to 18,944,055.20, 28,419,769.20 and 8,161,335.20

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Solution

The fourth proportional to 18,944,055.20, 28,419,769.20 and 8,161,335.20 is: 12,243,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944,055.20 : 28,419,769.20 = 8,161,335.20 : x
  2. Step 2: Convert to fraction form
    18,944,055.20/28,419,769.20 = 8,161,335.20/x
  3. Step 3: Cross multiply
    18,944,055.20x = 28,419,769.20 × 8,161,335.20
  4. Step 4: Simplify right side
    18,944,055.20x = 231,943,262,747,835.84
  5. Step 5: Solve for x
    x = 231,943,262,747,835.84/18,944,055.20
  6. Step 6: Final answer
    x = 12,243,590.95

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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.