Home / 15,338,494.05-21,174,791.75-9,539,144.34

Finding the Fourth Proportional to 15,338,494.05, 21,174,791.75 and 9,539,144.34

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Solution

The fourth proportional to 15,338,494.05, 21,174,791.75 and 9,539,144.34 is: 13,168,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,494.05 : 21,174,791.75 = 9,539,144.34 : x
  2. Step 2: Convert to fraction form
    15,338,494.05/21,174,791.75 = 9,539,144.34/x
  3. Step 3: Cross multiply
    15,338,494.05x = 21,174,791.75 × 9,539,144.34
  4. Step 4: Simplify right side
    15,338,494.05x = 201,989,394,872,691.19
  5. Step 5: Solve for x
    x = 201,989,394,872,691.19/15,338,494.05
  6. Step 6: Final answer
    x = 13,168,789.21

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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.