Home / 12,962,660.13-19,443,996.72-3,378,014.37

Finding the Fourth Proportional to 12,962,660.13, 19,443,996.72 and 3,378,014.37

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Solution

The fourth proportional to 12,962,660.13, 19,443,996.72 and 3,378,014.37 is: 5,067,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962,660.13 : 19,443,996.72 = 3,378,014.37 : x
  2. Step 2: Convert to fraction form
    12,962,660.13/19,443,996.72 = 3,378,014.37/x
  3. Step 3: Cross multiply
    12,962,660.13x = 19,443,996.72 × 3,378,014.37
  4. Step 4: Simplify right side
    12,962,660.13x = 65,682,100,330,392.87
  5. Step 5: Solve for x
    x = 65,682,100,330,392.87/12,962,660.13
  6. Step 6: Final answer
    x = 5,067,023.26

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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.