Home / 18,661,479.28-27,992,194.57-5,014,625.83

Finding the Fourth Proportional to 18,661,479.28, 27,992,194.57 and 5,014,625.83

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Solution

The fourth proportional to 18,661,479.28, 27,992,194.57 and 5,014,625.83 is: 7,521,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,479.28 : 27,992,194.57 = 5,014,625.83 : x
  2. Step 2: Convert to fraction form
    18,661,479.28/27,992,194.57 = 5,014,625.83/x
  3. Step 3: Cross multiply
    18,661,479.28x = 27,992,194.57 × 5,014,625.83
  4. Step 4: Simplify right side
    18,661,479.28x = 140,370,381,929,107.75
  5. Step 5: Solve for x
    x = 140,370,381,929,107.75/18,661,479.28
  6. Step 6: Final answer
    x = 7,521,932.20

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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.