Home / 18,206,509.39-27,290,689.49-8,483,104.89

Finding the Fourth Proportional to 18,206,509.39, 27,290,689.49 and 8,483,104.89

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Solution

The fourth proportional to 18,206,509.39, 27,290,689.49 and 8,483,104.89 is: 12,715,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206,509.39 : 27,290,689.49 = 8,483,104.89 : x
  2. Step 2: Convert to fraction form
    18,206,509.39/27,290,689.49 = 8,483,104.89/x
  3. Step 3: Cross multiply
    18,206,509.39x = 27,290,689.49 × 8,483,104.89
  4. Step 4: Simplify right side
    18,206,509.39x = 231,509,781,485,298.38
  5. Step 5: Solve for x
    x = 231,509,781,485,298.38/18,206,509.39
  6. Step 6: Final answer
    x = 12,715,769.76

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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.