Home / 11,910,882-17,858,482.60-7,855,003

Finding the Fourth Proportional to 11,910,882, 17,858,482.60 and 7,855,003

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Solution

The fourth proportional to 11,910,882, 17,858,482.60 and 7,855,003 is: 11,777,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910,882 : 17,858,482.60 = 7,855,003 : x
  2. Step 2: Convert to fraction form
    11,910,882/17,858,482.60 = 7,855,003/x
  3. Step 3: Cross multiply
    11,910,882x = 17,858,482.60 × 7,855,003
  4. Step 4: Simplify right side
    11,910,882x = 140,278,434,398,447.81
  5. Step 5: Solve for x
    x = 140,278,434,398,447.81/11,910,882
  6. Step 6: Final answer
    x = 11,777,333.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.