Home / 13,361,326.20-20,041,989.30-11,448,138.60

Finding the Fourth Proportional to 13,361,326.20, 20,041,989.30 and 11,448,138.60

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Solution

The fourth proportional to 13,361,326.20, 20,041,989.30 and 11,448,138.60 is: 17,172,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,326.20 : 20,041,989.30 = 11,448,138.60 : x
  2. Step 2: Convert to fraction form
    13,361,326.20/20,041,989.30 = 11,448,138.60/x
  3. Step 3: Cross multiply
    13,361,326.20x = 20,041,989.30 × 11,448,138.60
  4. Step 4: Simplify right side
    13,361,326.20x = 229,443,471,326,116.97
  5. Step 5: Solve for x
    x = 229,443,471,326,116.97/13,361,326.20
  6. Step 6: Final answer
    x = 17,172,207.90

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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.