Home / 20,092,945.10-30,146,416.05-8,741,540.30

Finding the Fourth Proportional to 20,092,945.10, 30,146,416.05 and 8,741,540.30

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Solution

The fourth proportional to 20,092,945.10, 30,146,416.05 and 8,741,540.30 is: 13,115,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092,945.10 : 30,146,416.05 = 8,741,540.30 : x
  2. Step 2: Convert to fraction form
    20,092,945.10/30,146,416.05 = 8,741,540.30/x
  3. Step 3: Cross multiply
    20,092,945.10x = 30,146,416.05 × 8,741,540.30
  4. Step 4: Simplify right side
    20,092,945.10x = 263,526,110,801,641.84
  5. Step 5: Solve for x
    x = 263,526,110,801,641.84/20,092,945.10
  6. Step 6: Final answer
    x = 13,115,355.14

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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.