Home / 13,481,615.89-20,219,488.47-3,633,449.43

Finding the Fourth Proportional to 13,481,615.89, 20,219,488.47 and 3,633,449.43

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Solution

The fourth proportional to 13,481,615.89, 20,219,488.47 and 3,633,449.43 is: 5,449,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,615.89 : 20,219,488.47 = 3,633,449.43 : x
  2. Step 2: Convert to fraction form
    13,481,615.89/20,219,488.47 = 3,633,449.43/x
  3. Step 3: Cross multiply
    13,481,615.89x = 20,219,488.47 × 3,633,449.43
  4. Step 4: Simplify right side
    13,481,615.89x = 73,466,488,856,213.08
  5. Step 5: Solve for x
    x = 73,466,488,856,213.08/13,481,615.89
  6. Step 6: Final answer
    x = 5,449,383.03

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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.