Home / 12,500,456.80-18,844,378.69-11,667,173.96

Finding the Fourth Proportional to 12,500,456.80, 18,844,378.69 and 11,667,173.96

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Solution

The fourth proportional to 12,500,456.80, 18,844,378.69 and 11,667,173.96 is: 17,588,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,456.80 : 18,844,378.69 = 11,667,173.96 : x
  2. Step 2: Convert to fraction form
    12,500,456.80/18,844,378.69 = 11,667,173.96/x
  3. Step 3: Cross multiply
    12,500,456.80x = 18,844,378.69 × 11,667,173.96
  4. Step 4: Simplify right side
    12,500,456.80x = 219,860,644,344,346.94
  5. Step 5: Solve for x
    x = 219,860,644,344,346.94/12,500,456.80
  6. Step 6: Final answer
    x = 17,588,208.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.