Home / 18,144,498.30-27,216,747.45-12,396,479.10

Finding the Fourth Proportional to 18,144,498.30, 27,216,747.45 and 12,396,479.10

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Solution

The fourth proportional to 18,144,498.30, 27,216,747.45 and 12,396,479.10 is: 18,594,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,498.30 : 27,216,747.45 = 12,396,479.10 : x
  2. Step 2: Convert to fraction form
    18,144,498.30/27,216,747.45 = 12,396,479.10/x
  3. Step 3: Cross multiply
    18,144,498.30x = 27,216,747.45 × 12,396,479.10
  4. Step 4: Simplify right side
    18,144,498.30x = 337,391,840,933,903.25
  5. Step 5: Solve for x
    x = 337,391,840,933,903.25/18,144,498.30
  6. Step 6: Final answer
    x = 18,594,718.65

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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.