Home / 21,958,789.20-32,945,067.48-13,214,608.85

Finding the Fourth Proportional to 21,958,789.20, 32,945,067.48 and 13,214,608.85

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Solution

The fourth proportional to 21,958,789.20, 32,945,067.48 and 13,214,608.85 is: 19,826,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958,789.20 : 32,945,067.48 = 13,214,608.85 : x
  2. Step 2: Convert to fraction form
    21,958,789.20/32,945,067.48 = 13,214,608.85/x
  3. Step 3: Cross multiply
    21,958,789.20x = 32,945,067.48 × 13,214,608.85
  4. Step 4: Simplify right side
    21,958,789.20x = 435,356,180,285,055.19
  5. Step 5: Solve for x
    x = 435,356,180,285,055.19/21,958,789.20
  6. Step 6: Final answer
    x = 19,826,055.81

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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.