Home / 11,113,037.97-16,647,987.93-8,189,821.89

Finding the Fourth Proportional to 11,113,037.97, 16,647,987.93 and 8,189,821.89

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Solution

The fourth proportional to 11,113,037.97, 16,647,987.93 and 8,189,821.89 is: 12,268,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113,037.97 : 16,647,987.93 = 8,189,821.89 : x
  2. Step 2: Convert to fraction form
    11,113,037.97/16,647,987.93 = 8,189,821.89/x
  3. Step 3: Cross multiply
    11,113,037.97x = 16,647,987.93 × 8,189,821.89
  4. Step 4: Simplify right side
    11,113,037.97x = 136,344,055,942,857.95
  5. Step 5: Solve for x
    x = 136,344,055,942,857.95/11,113,037.97
  6. Step 6: Final answer
    x = 12,268,837.41

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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.