Home / 10,520,147.10-15,753,648.60-6,906,348.30

Finding the Fourth Proportional to 10,520,147.10, 15,753,648.60 and 6,906,348.30

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Solution

The fourth proportional to 10,520,147.10, 15,753,648.60 and 6,906,348.30 is: 10,342,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,147.10 : 15,753,648.60 = 6,906,348.30 : x
  2. Step 2: Convert to fraction form
    10,520,147.10/15,753,648.60 = 6,906,348.30/x
  3. Step 3: Cross multiply
    10,520,147.10x = 15,753,648.60 × 6,906,348.30
  4. Step 4: Simplify right side
    10,520,147.10x = 108,800,184,227,407.38
  5. Step 5: Solve for x
    x = 108,800,184,227,407.38/10,520,147.10
  6. Step 6: Final answer
    x = 10,342,078.22

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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.