Home / 11,491,813.80-17,228,972.70-5,816,111.40

Finding the Fourth Proportional to 11,491,813.80, 17,228,972.70 and 5,816,111.40

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Solution

The fourth proportional to 11,491,813.80, 17,228,972.70 and 5,816,111.40 is: 8,719,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491,813.80 : 17,228,972.70 = 5,816,111.40 : x
  2. Step 2: Convert to fraction form
    11,491,813.80/17,228,972.70 = 5,816,111.40/x
  3. Step 3: Cross multiply
    11,491,813.80x = 17,228,972.70 × 5,816,111.40
  4. Step 4: Simplify right side
    11,491,813.80x = 100,205,624,530,758.78
  5. Step 5: Solve for x
    x = 100,205,624,530,758.78/11,491,813.80
  6. Step 6: Final answer
    x = 8,719,739.66

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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.