Home / 20,936,006.82-31,403,971.35-6,560,175.78

Finding the Fourth Proportional to 20,936,006.82, 31,403,971.35 and 6,560,175.78

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Solution

The fourth proportional to 20,936,006.82, 31,403,971.35 and 6,560,175.78 is: 9,840,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,936,006.82 : 31,403,971.35 = 6,560,175.78 : x
  2. Step 2: Convert to fraction form
    20,936,006.82/31,403,971.35 = 6,560,175.78/x
  3. Step 3: Cross multiply
    20,936,006.82x = 31,403,971.35 × 6,560,175.78
  4. Step 4: Simplify right side
    20,936,006.82x = 206,015,572,246,083.91
  5. Step 5: Solve for x
    x = 206,015,572,246,083.91/20,936,006.82
  6. Step 6: Final answer
    x = 9,840,251.49

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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.