Home / 40,476,936.15-55,858,245.39-22,142,221.65

Finding the Fourth Proportional to 40,476,936.15, 55,858,245.39 and 22,142,221.65

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Solution

The fourth proportional to 40,476,936.15, 55,858,245.39 and 22,142,221.65 is: 30,556,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476,936.15 : 55,858,245.39 = 22,142,221.65 : x
  2. Step 2: Convert to fraction form
    40,476,936.15/55,858,245.39 = 22,142,221.65/x
  3. Step 3: Cross multiply
    40,476,936.15x = 55,858,245.39 × 22,142,221.65
  4. Step 4: Simplify right side
    40,476,936.15x = 1,236,825,650,405,470.50
  5. Step 5: Solve for x
    x = 1,236,825,650,405,470.50/40,476,936.15
  6. Step 6: Final answer
    x = 30,556,306.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.