Home / 18,181,197.33-25,090,584.68-9,921,791.81

Finding the Fourth Proportional to 18,181,197.33, 25,090,584.68 and 9,921,791.81

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Solution

The fourth proportional to 18,181,197.33, 25,090,584.68 and 9,921,791.81 is: 13,692,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,197.33 : 25,090,584.68 = 9,921,791.81 : x
  2. Step 2: Convert to fraction form
    18,181,197.33/25,090,584.68 = 9,921,791.81/x
  3. Step 3: Cross multiply
    18,181,197.33x = 25,090,584.68 × 9,921,791.81
  4. Step 4: Simplify right side
    18,181,197.33x = 248,943,557,411,073.59
  5. Step 5: Solve for x
    x = 248,943,557,411,073.59/18,181,197.33
  6. Step 6: Final answer
    x = 13,692,363.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.