Home / 13,942,992.12-19,238,176.58-8,436,230.03

Finding the Fourth Proportional to 13,942,992.12, 19,238,176.58 and 8,436,230.03

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Solution

The fourth proportional to 13,942,992.12, 19,238,176.58 and 8,436,230.03 is: 11,640,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,992.12 : 19,238,176.58 = 8,436,230.03 : x
  2. Step 2: Convert to fraction form
    13,942,992.12/19,238,176.58 = 8,436,230.03/x
  3. Step 3: Cross multiply
    13,942,992.12x = 19,238,176.58 × 8,436,230.03
  4. Step 4: Simplify right side
    13,942,992.12x = 162,297,682,848,266.66
  5. Step 5: Solve for x
    x = 162,297,682,848,266.66/13,942,992.12
  6. Step 6: Final answer
    x = 11,640,089.98

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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.