Home / 18,693,676.80-28,040,515.20-8,056,108.80

Finding the Fourth Proportional to 18,693,676.80, 28,040,515.20 and 8,056,108.80

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Solution

The fourth proportional to 18,693,676.80, 28,040,515.20 and 8,056,108.80 is: 12,084,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,676.80 : 28,040,515.20 = 8,056,108.80 : x
  2. Step 2: Convert to fraction form
    18,693,676.80/28,040,515.20 = 8,056,108.80/x
  3. Step 3: Cross multiply
    18,693,676.80x = 28,040,515.20 × 8,056,108.80
  4. Step 4: Simplify right side
    18,693,676.80x = 225,897,441,259,253.75
  5. Step 5: Solve for x
    x = 225,897,441,259,253.75/18,693,676.80
  6. Step 6: Final answer
    x = 12,084,163.20

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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.