Home / 11,191,810.80-16,787,716.20-5,510,859.60

Finding the Fourth Proportional to 11,191,810.80, 16,787,716.20 and 5,510,859.60

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Solution

The fourth proportional to 11,191,810.80, 16,787,716.20 and 5,510,859.60 is: 8,266,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,810.80 : 16,787,716.20 = 5,510,859.60 : x
  2. Step 2: Convert to fraction form
    11,191,810.80/16,787,716.20 = 5,510,859.60/x
  3. Step 3: Cross multiply
    11,191,810.80x = 16,787,716.20 × 5,510,859.60
  4. Step 4: Simplify right side
    11,191,810.80x = 92,514,746,982,845.52
  5. Step 5: Solve for x
    x = 92,514,746,982,845.52/11,191,810.80
  6. Step 6: Final answer
    x = 8,266,289.40

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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.