Home / 13,598,493.87-20,384,917.07-6,768,609.75

Finding the Fourth Proportional to 13,598,493.87, 20,384,917.07 and 6,768,609.75

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Solution

The fourth proportional to 13,598,493.87, 20,384,917.07 and 6,768,609.75 is: 10,146,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598,493.87 : 20,384,917.07 = 6,768,609.75 : x
  2. Step 2: Convert to fraction form
    13,598,493.87/20,384,917.07 = 6,768,609.75/x
  3. Step 3: Cross multiply
    13,598,493.87x = 20,384,917.07 × 6,768,609.75
  4. Step 4: Simplify right side
    13,598,493.87x = 137,977,548,399,100.39
  5. Step 5: Solve for x
    x = 137,977,548,399,100.39/13,598,493.87
  6. Step 6: Final answer
    x = 10,146,531.65

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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.