Home / 22,729,215.89-31,302,552.88-21,270,377.54

Finding the Fourth Proportional to 22,729,215.89, 31,302,552.88 and 21,270,377.54

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Solution

The fourth proportional to 22,729,215.89, 31,302,552.88 and 21,270,377.54 is: 29,293,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729,215.89 : 31,302,552.88 = 21,270,377.54 : x
  2. Step 2: Convert to fraction form
    22,729,215.89/31,302,552.88 = 21,270,377.54/x
  3. Step 3: Cross multiply
    22,729,215.89x = 31,302,552.88 × 21,270,377.54
  4. Step 4: Simplify right side
    22,729,215.89x = 665,817,117,723,414.25
  5. Step 5: Solve for x
    x = 665,817,117,723,414.25/22,729,215.89
  6. Step 6: Final answer
    x = 29,293,448.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.