Home / 13,749,245.12-20,623,876.32-5,227,613.12

Finding the Fourth Proportional to 13,749,245.12, 20,623,876.32 and 5,227,613.12

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Solution

The fourth proportional to 13,749,245.12, 20,623,876.32 and 5,227,613.12 is: 7,841,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,245.12 : 20,623,876.32 = 5,227,613.12 : x
  2. Step 2: Convert to fraction form
    13,749,245.12/20,623,876.32 = 5,227,613.12/x
  3. Step 3: Cross multiply
    13,749,245.12x = 20,623,876.32 × 5,227,613.12
  4. Step 4: Simplify right side
    13,749,245.12x = 107,813,646,435,689.33
  5. Step 5: Solve for x
    x = 107,813,646,435,689.33/13,749,245.12
  6. Step 6: Final answer
    x = 7,841,422.97

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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.