Home / 13,644,335.81-20,469,446.45-3,928,883.42

Finding the Fourth Proportional to 13,644,335.81, 20,469,446.45 and 3,928,883.42

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Solution

The fourth proportional to 13,644,335.81, 20,469,446.45 and 3,928,883.42 is: 5,894,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644,335.81 : 20,469,446.45 = 3,928,883.42 : x
  2. Step 2: Convert to fraction form
    13,644,335.81/20,469,446.45 = 3,928,883.42/x
  3. Step 3: Cross multiply
    13,644,335.81x = 20,469,446.45 × 3,928,883.42
  4. Step 4: Simplify right side
    13,644,335.81x = 80,422,068,651,991.22
  5. Step 5: Solve for x
    x = 80,422,068,651,991.22/13,644,335.81
  6. Step 6: Final answer
    x = 5,894,172.48

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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.