Home / 12,392,481.22-17,100,874.39-6,885,667.78

Finding the Fourth Proportional to 12,392,481.22, 17,100,874.39 and 6,885,667.78

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Solution

The fourth proportional to 12,392,481.22, 17,100,874.39 and 6,885,667.78 is: 9,501,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,481.22 : 17,100,874.39 = 6,885,667.78 : x
  2. Step 2: Convert to fraction form
    12,392,481.22/17,100,874.39 = 6,885,667.78/x
  3. Step 3: Cross multiply
    12,392,481.22x = 17,100,874.39 × 6,885,667.78
  4. Step 4: Simplify right side
    12,392,481.22x = 117,750,939,797,050.16
  5. Step 5: Solve for x
    x = 117,750,939,797,050.16/12,392,481.22
  6. Step 6: Final answer
    x = 9,501,804.98

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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.