Home / 21,061,625.33-31,604,095.52-10,279,015.49

Finding the Fourth Proportional to 21,061,625.33, 31,604,095.52 and 10,279,015.49

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Solution

The fourth proportional to 21,061,625.33, 31,604,095.52 and 10,279,015.49 is: 15,424,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,625.33 : 31,604,095.52 = 10,279,015.49 : x
  2. Step 2: Convert to fraction form
    21,061,625.33/31,604,095.52 = 10,279,015.49/x
  3. Step 3: Cross multiply
    21,061,625.33x = 31,604,095.52 × 10,279,015.49
  4. Step 4: Simplify right side
    21,061,625.33x = 324,858,987,397,519.62
  5. Step 5: Solve for x
    x = 324,858,987,397,519.62/21,061,625.33
  6. Step 6: Final answer
    x = 15,424,212.63

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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.