Home / 13,361,882.20-20,042,823.30-9,960,659.80

Finding the Fourth Proportional to 13,361,882.20, 20,042,823.30 and 9,960,659.80

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Solution

The fourth proportional to 13,361,882.20, 20,042,823.30 and 9,960,659.80 is: 14,940,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,882.20 : 20,042,823.30 = 9,960,659.80 : x
  2. Step 2: Convert to fraction form
    13,361,882.20/20,042,823.30 = 9,960,659.80/x
  3. Step 3: Cross multiply
    13,361,882.20x = 20,042,823.30 × 9,960,659.80
  4. Step 4: Simplify right side
    13,361,882.20x = 199,639,744,322,813.38
  5. Step 5: Solve for x
    x = 199,639,744,322,813.38/13,361,882.20
  6. Step 6: Final answer
    x = 14,940,989.70

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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.