Home / 11,191,791.60-16,787,687.40-10,309,993.20

Finding the Fourth Proportional to 11,191,791.60, 16,787,687.40 and 10,309,993.20

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Solution

The fourth proportional to 11,191,791.60, 16,787,687.40 and 10,309,993.20 is: 15,464,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,791.60 : 16,787,687.40 = 10,309,993.20 : x
  2. Step 2: Convert to fraction form
    11,191,791.60/16,787,687.40 = 10,309,993.20/x
  3. Step 3: Cross multiply
    11,191,791.60x = 16,787,687.40 × 10,309,993.20
  4. Step 4: Simplify right side
    11,191,791.60x = 173,080,942,937,725.66
  5. Step 5: Solve for x
    x = 173,080,942,937,725.66/11,191,791.60
  6. Step 6: Final answer
    x = 15,464,989.80

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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.