Home / 13,200,781.32-19,801,187.58-3,616,242.36

Finding the Fourth Proportional to 13,200,781.32, 19,801,187.58 and 3,616,242.36

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Solution

The fourth proportional to 13,200,781.32, 19,801,187.58 and 3,616,242.36 is: 5,424,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,781.32 : 19,801,187.58 = 3,616,242.36 : x
  2. Step 2: Convert to fraction form
    13,200,781.32/19,801,187.58 = 3,616,242.36/x
  3. Step 3: Cross multiply
    13,200,781.32x = 19,801,187.58 × 3,616,242.36
  4. Step 4: Simplify right side
    13,200,781.32x = 71,605,893,305,101.88
  5. Step 5: Solve for x
    x = 71,605,893,305,101.88/13,200,781.32
  6. Step 6: Final answer
    x = 5,424,367.81

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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.