Home / 7,876,788.41-11,815,184.64-2,485,860.75

Finding the Fourth Proportional to 7,876,788.41, 11,815,184.64 and 2,485,860.75

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Solution

The fourth proportional to 7,876,788.41, 11,815,184.64 and 2,485,860.75 is: 3,728,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,788.41 : 11,815,184.64 = 2,485,860.75 : x
  2. Step 2: Convert to fraction form
    7,876,788.41/11,815,184.64 = 2,485,860.75/x
  3. Step 3: Cross multiply
    7,876,788.41x = 11,815,184.64 × 2,485,860.75
  4. Step 4: Simplify right side
    7,876,788.41x = 29,370,903,750,578.88
  5. Step 5: Solve for x
    x = 29,370,903,750,578.88/7,876,788.41
  6. Step 6: Final answer
    x = 3,728,791.76

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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.