Home / 11,198,257.80-16,815,101.40-8,505,623.40

Finding the Fourth Proportional to 11,198,257.80, 16,815,101.40 and 8,505,623.40

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Solution

The fourth proportional to 11,198,257.80, 16,815,101.40 and 8,505,623.40 is: 12,771,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198,257.80 : 16,815,101.40 = 8,505,623.40 : x
  2. Step 2: Convert to fraction form
    11,198,257.80/16,815,101.40 = 8,505,623.40/x
  3. Step 3: Cross multiply
    11,198,257.80x = 16,815,101.40 × 8,505,623.40
  4. Step 4: Simplify right side
    11,198,257.80x = 143,022,919,941,212.75
  5. Step 5: Solve for x
    x = 143,022,919,941,212.75/11,198,257.80
  6. Step 6: Final answer
    x = 12,771,890.28

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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.