Home / 12,258,766.82-16,902,108.32-7,667,116.58

Finding the Fourth Proportional to 12,258,766.82, 16,902,108.32 and 7,667,116.58

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Solution

The fourth proportional to 12,258,766.82, 16,902,108.32 and 7,667,116.58 is: 10,571,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,766.82 : 16,902,108.32 = 7,667,116.58 : x
  2. Step 2: Convert to fraction form
    12,258,766.82/16,902,108.32 = 7,667,116.58/x
  3. Step 3: Cross multiply
    12,258,766.82x = 16,902,108.32 × 7,667,116.58
  4. Step 4: Simplify right side
    12,258,766.82x = 129,590,434,937,227.95
  5. Step 5: Solve for x
    x = 129,590,434,937,227.95/12,258,766.82
  6. Step 6: Final answer
    x = 10,571,245.61

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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.