Home / 13,815,998.80-20,723,998.20-7,844,030.80

Finding the Fourth Proportional to 13,815,998.80, 20,723,998.20 and 7,844,030.80

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Solution

The fourth proportional to 13,815,998.80, 20,723,998.20 and 7,844,030.80 is: 11,766,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,998.80 : 20,723,998.20 = 7,844,030.80 : x
  2. Step 2: Convert to fraction form
    13,815,998.80/20,723,998.20 = 7,844,030.80/x
  3. Step 3: Cross multiply
    13,815,998.80x = 20,723,998.20 × 7,844,030.80
  4. Step 4: Simplify right side
    13,815,998.80x = 162,559,680,179,944.56
  5. Step 5: Solve for x
    x = 162,559,680,179,944.56/13,815,998.80
  6. Step 6: Final answer
    x = 11,766,046.20

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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.