Home / 13,818,676.11-20,730,670.98-5,298,348.12

Finding the Fourth Proportional to 13,818,676.11, 20,730,670.98 and 5,298,348.12

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Solution

The fourth proportional to 13,818,676.11, 20,730,670.98 and 5,298,348.12 is: 7,948,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,676.11 : 20,730,670.98 = 5,298,348.12 : x
  2. Step 2: Convert to fraction form
    13,818,676.11/20,730,670.98 = 5,298,348.12/x
  3. Step 3: Cross multiply
    13,818,676.11x = 20,730,670.98 × 5,298,348.12
  4. Step 4: Simplify right side
    13,818,676.11x = 109,838,311,613,221.56
  5. Step 5: Solve for x
    x = 109,838,311,613,221.56/13,818,676.11
  6. Step 6: Final answer
    x = 7,948,540.85

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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.