Home / 15,832,449.82-21,850,841.40-8,865,780.34

Finding the Fourth Proportional to 15,832,449.82, 21,850,841.40 and 8,865,780.34

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Solution

The fourth proportional to 15,832,449.82, 21,850,841.40 and 8,865,780.34 is: 12,235,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832,449.82 : 21,850,841.40 = 8,865,780.34 : x
  2. Step 2: Convert to fraction form
    15,832,449.82/21,850,841.40 = 8,865,780.34/x
  3. Step 3: Cross multiply
    15,832,449.82x = 21,850,841.40 × 8,865,780.34
  4. Step 4: Simplify right side
    15,832,449.82x = 193,724,760,096,578.06
  5. Step 5: Solve for x
    x = 193,724,760,096,578.06/15,832,449.82
  6. Step 6: Final answer
    x = 12,235,930.78

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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.