Home / 12,392,481.23-17,100,874.40-6,885,667.79

Finding the Fourth Proportional to 12,392,481.23, 17,100,874.40 and 6,885,667.79

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Solution

The fourth proportional to 12,392,481.23, 17,100,874.40 and 6,885,667.79 is: 9,501,804.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,481.23 : 17,100,874.40 = 6,885,667.79 : x
  2. Step 2: Convert to fraction form
    12,392,481.23/17,100,874.40 = 6,885,667.79/x
  3. Step 3: Cross multiply
    12,392,481.23x = 17,100,874.40 × 6,885,667.79
  4. Step 4: Simplify right side
    12,392,481.23x = 117,750,939,916,982.86
  5. Step 5: Solve for x
    x = 117,750,939,916,982.86/12,392,481.23
  6. Step 6: Final answer
    x = 9,501,804.99

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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.