Home / 12,530,010.30-18,753,025.05-11,018,355.90

Finding the Fourth Proportional to 12,530,010.30, 18,753,025.05 and 11,018,355.90

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Solution

The fourth proportional to 12,530,010.30, 18,753,025.05 and 11,018,355.90 is: 16,490,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,010.30 : 18,753,025.05 = 11,018,355.90 : x
  2. Step 2: Convert to fraction form
    12,530,010.30/18,753,025.05 = 11,018,355.90/x
  3. Step 3: Cross multiply
    12,530,010.30x = 18,753,025.05 × 11,018,355.90
  4. Step 4: Simplify right side
    12,530,010.30x = 206,627,504,202,515.31
  5. Step 5: Solve for x
    x = 206,627,504,202,515.31/12,530,010.30
  6. Step 6: Final answer
    x = 16,490,609.29

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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.