Home / 12,500,441.47-18,844,355.48-11,667,158.56

Finding the Fourth Proportional to 12,500,441.47, 18,844,355.48 and 11,667,158.56

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Solution

The fourth proportional to 12,500,441.47, 18,844,355.48 and 11,667,158.56 is: 17,588,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,441.47 : 18,844,355.48 = 11,667,158.56 : x
  2. Step 2: Convert to fraction form
    12,500,441.47/18,844,355.48 = 11,667,158.56/x
  3. Step 3: Cross multiply
    12,500,441.47x = 18,844,355.48 × 11,667,158.56
  4. Step 4: Simplify right side
    12,500,441.47x = 219,860,083,328,221.94
  5. Step 5: Solve for x
    x = 219,860,083,328,221.94/12,500,441.47
  6. Step 6: Final answer
    x = 17,588,185.50

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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.