Home / 13,200,857.56-19,801,301.82-3,616,318.36

Finding the Fourth Proportional to 13,200,857.56, 19,801,301.82 and 3,616,318.36

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Solution

The fourth proportional to 13,200,857.56, 19,801,301.82 and 3,616,318.36 is: 5,424,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,857.56 : 19,801,301.82 = 3,616,318.36 : x
  2. Step 2: Convert to fraction form
    13,200,857.56/19,801,301.82 = 3,616,318.36/x
  3. Step 3: Cross multiply
    13,200,857.56x = 19,801,301.82 × 3,616,318.36
  4. Step 4: Simplify right side
    13,200,857.56x = 71,607,811,323,567.41
  5. Step 5: Solve for x
    x = 71,607,811,323,567.41/13,200,857.56
  6. Step 6: Final answer
    x = 5,424,481.78

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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.