Home / 12,919,883.58-17,829,843.19-7,414,265.54

Finding the Fourth Proportional to 12,919,883.58, 17,829,843.19 and 7,414,265.54

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Solution

The fourth proportional to 12,919,883.58, 17,829,843.19 and 7,414,265.54 is: 10,231,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,883.58 : 17,829,843.19 = 7,414,265.54 : x
  2. Step 2: Convert to fraction form
    12,919,883.58/17,829,843.19 = 7,414,265.54/x
  3. Step 3: Cross multiply
    12,919,883.58x = 17,829,843.19 × 7,414,265.54
  4. Step 4: Simplify right side
    12,919,883.58x = 132,195,191,910,149.33
  5. Step 5: Solve for x
    x = 132,195,191,910,149.33/12,919,883.58
  6. Step 6: Final answer
    x = 10,231,918.20

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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.