Home / 13,294,517.38-19,915,745.29-11,848,505.78

Finding the Fourth Proportional to 13,294,517.38, 19,915,745.29 and 11,848,505.78

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Solution

The fourth proportional to 13,294,517.38, 19,915,745.29 and 11,848,505.78 is: 17,749,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294,517.38 : 19,915,745.29 = 11,848,505.78 : x
  2. Step 2: Convert to fraction form
    13,294,517.38/19,915,745.29 = 11,848,505.78/x
  3. Step 3: Cross multiply
    13,294,517.38x = 19,915,745.29 × 11,848,505.78
  4. Step 4: Simplify right side
    13,294,517.38x = 235,971,823,201,740.91
  5. Step 5: Solve for x
    x = 235,971,823,201,740.91/13,294,517.38
  6. Step 6: Final answer
    x = 17,749,559.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.