Home / 11,221,216.80-16,789,834.80-7,442,080.80

Finding the Fourth Proportional to 11,221,216.80, 16,789,834.80 and 7,442,080.80

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Solution

The fourth proportional to 11,221,216.80, 16,789,834.80 and 7,442,080.80 is: 11,135,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221,216.80 : 16,789,834.80 = 7,442,080.80 : x
  2. Step 2: Convert to fraction form
    11,221,216.80/16,789,834.80 = 7,442,080.80/x
  3. Step 3: Cross multiply
    11,221,216.80x = 16,789,834.80 × 7,442,080.80
  4. Step 4: Simplify right side
    11,221,216.80x = 124,951,307,200,251.84
  5. Step 5: Solve for x
    x = 124,951,307,200,251.84/11,221,216.80
  6. Step 6: Final answer
    x = 11,135,272.53

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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.