Home / 13,942,991.62-19,238,175.88-8,436,229.53

Finding the Fourth Proportional to 13,942,991.62, 19,238,175.88 and 8,436,229.53

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Solution

The fourth proportional to 13,942,991.62, 19,238,175.88 and 8,436,229.53 is: 11,640,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,991.62 : 19,238,175.88 = 8,436,229.53 : x
  2. Step 2: Convert to fraction form
    13,942,991.62/19,238,175.88 = 8,436,229.53/x
  3. Step 3: Cross multiply
    13,942,991.62x = 19,238,175.88 × 8,436,229.53
  4. Step 4: Simplify right side
    13,942,991.62x = 162,297,667,462,189.72
  5. Step 5: Solve for x
    x = 162,297,667,462,189.72/13,942,991.62
  6. Step 6: Final answer
    x = 11,640,089.29

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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.