Home / 13,608,520.20-20,412,780.30-11,215,067.40

Finding the Fourth Proportional to 13,608,520.20, 20,412,780.30 and 11,215,067.40

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Solution

The fourth proportional to 13,608,520.20, 20,412,780.30 and 11,215,067.40 is: 16,822,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,520.20 : 20,412,780.30 = 11,215,067.40 : x
  2. Step 2: Convert to fraction form
    13,608,520.20/20,412,780.30 = 11,215,067.40/x
  3. Step 3: Cross multiply
    13,608,520.20x = 20,412,780.30 × 11,215,067.40
  4. Step 4: Simplify right side
    13,608,520.20x = 228,930,706,885,892.25
  5. Step 5: Solve for x
    x = 228,930,706,885,892.25/13,608,520.20
  6. Step 6: Final answer
    x = 16,822,601.10

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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.