Home / 12,593,781.80-18,876,675.90-5,404,092.20

Finding the Fourth Proportional to 12,593,781.80, 18,876,675.90 and 5,404,092.20

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Solution

The fourth proportional to 12,593,781.80, 18,876,675.90 and 5,404,092.20 is: 8,100,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593,781.80 : 18,876,675.90 = 5,404,092.20 : x
  2. Step 2: Convert to fraction form
    12,593,781.80/18,876,675.90 = 5,404,092.20/x
  3. Step 3: Cross multiply
    12,593,781.80x = 18,876,675.90 × 5,404,092.20
  4. Step 4: Simplify right side
    12,593,781.80x = 102,011,296,993,117.97
  5. Step 5: Solve for x
    x = 102,011,296,993,117.97/12,593,781.80
  6. Step 6: Final answer
    x = 8,100,132.16

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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.