Home / 12,481,801.20-18,722,701.80-11,063,458.80

Finding the Fourth Proportional to 12,481,801.20, 18,722,701.80 and 11,063,458.80

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Solution

The fourth proportional to 12,481,801.20, 18,722,701.80 and 11,063,458.80 is: 16,595,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,801.20 : 18,722,701.80 = 11,063,458.80 : x
  2. Step 2: Convert to fraction form
    12,481,801.20/18,722,701.80 = 11,063,458.80/x
  3. Step 3: Cross multiply
    12,481,801.20x = 18,722,701.80 × 11,063,458.80
  4. Step 4: Simplify right side
    12,481,801.20x = 207,137,839,988,985.88
  5. Step 5: Solve for x
    x = 207,137,839,988,985.88/12,481,801.20
  6. Step 6: Final answer
    x = 16,595,188.20

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Similar ratio
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1.5x scale

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.