Home / 12,379,515.33-17,082,877.82-6,872,462.75

Finding the Fourth Proportional to 12,379,515.33, 17,082,877.82 and 6,872,462.75

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Solution

The fourth proportional to 12,379,515.33, 17,082,877.82 and 6,872,462.75 is: 9,483,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,515.33 : 17,082,877.82 = 6,872,462.75 : x
  2. Step 2: Convert to fraction form
    12,379,515.33/17,082,877.82 = 6,872,462.75/x
  3. Step 3: Cross multiply
    12,379,515.33x = 17,082,877.82 × 6,872,462.75
  4. Step 4: Simplify right side
    12,379,515.33x = 117,401,441,489,096.11
  5. Step 5: Solve for x
    x = 117,401,441,489,096.11/12,379,515.33
  6. Step 6: Final answer
    x = 9,483,524.87

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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.