Home / 12,979,378.85-19,467,581.11-3,395,682.41

Finding the Fourth Proportional to 12,979,378.85, 19,467,581.11 and 3,395,682.41

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Solution

The fourth proportional to 12,979,378.85, 19,467,581.11 and 3,395,682.41 is: 5,093,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,378.85 : 19,467,581.11 = 3,395,682.41 : x
  2. Step 2: Convert to fraction form
    12,979,378.85/19,467,581.11 = 3,395,682.41/x
  3. Step 3: Cross multiply
    12,979,378.85x = 19,467,581.11 × 3,395,682.41
  4. Step 4: Simplify right side
    12,979,378.85x = 66,105,722,634,648.16
  5. Step 5: Solve for x
    x = 66,105,722,634,648.16/12,979,378.85
  6. Step 6: Final answer
    x = 5,093,134.53

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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.