Home / 13,530,230.73-20,298,732.99-3,945,610.35

Finding the Fourth Proportional to 13,530,230.73, 20,298,732.99 and 3,945,610.35

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Solution

The fourth proportional to 13,530,230.73, 20,298,732.99 and 3,945,610.35 is: 5,919,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530,230.73 : 20,298,732.99 = 3,945,610.35 : x
  2. Step 2: Convert to fraction form
    13,530,230.73/20,298,732.99 = 3,945,610.35/x
  3. Step 3: Cross multiply
    13,530,230.73x = 20,298,732.99 × 3,945,610.35
  4. Step 4: Simplify right side
    13,530,230.73x = 80,090,890,977,230.44
  5. Step 5: Solve for x
    x = 80,090,890,977,230.44/13,530,230.73
  6. Step 6: Final answer
    x = 5,919,403.19

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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.