Home / 17,691,636.12-24,421,990.80-11,893,780.56

Finding the Fourth Proportional to 17,691,636.12, 24,421,990.80 and 11,893,780.56

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Solution

The fourth proportional to 17,691,636.12, 24,421,990.80 and 11,893,780.56 is: 16,418,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691,636.12 : 24,421,990.80 = 11,893,780.56 : x
  2. Step 2: Convert to fraction form
    17,691,636.12/24,421,990.80 = 11,893,780.56/x
  3. Step 3: Cross multiply
    17,691,636.12x = 24,421,990.80 × 11,893,780.56
  4. Step 4: Simplify right side
    17,691,636.12x = 290,469,799,413,538.88
  5. Step 5: Solve for x
    x = 290,469,799,413,538.88/17,691,636.12
  6. Step 6: Final answer
    x = 16,418,481.45

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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.