Home / 20,965,013.73-31,455,087.48-7,320,170.34

Finding the Fourth Proportional to 20,965,013.73, 31,455,087.48 and 7,320,170.34

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Solution

The fourth proportional to 20,965,013.73, 31,455,087.48 and 7,320,170.34 is: 10,982,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,965,013.73 : 31,455,087.48 = 7,320,170.34 : x
  2. Step 2: Convert to fraction form
    20,965,013.73/31,455,087.48 = 7,320,170.34/x
  3. Step 3: Cross multiply
    20,965,013.73x = 31,455,087.48 × 7,320,170.34
  4. Step 4: Simplify right side
    20,965,013.73x = 230,256,598,413,201.34
  5. Step 5: Solve for x
    x = 230,256,598,413,201.34/20,965,013.73
  6. Step 6: Final answer
    x = 10,982,897.57

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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.