Home / 13,036,919.50-17,991,858.24-8,618,969.33

Finding the Fourth Proportional to 13,036,919.50, 17,991,858.24 and 8,618,969.33

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Solution

The fourth proportional to 13,036,919.50, 17,991,858.24 and 8,618,969.33 is: 11,894,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036,919.50 : 17,991,858.24 = 8,618,969.33 : x
  2. Step 2: Convert to fraction form
    13,036,919.50/17,991,858.24 = 8,618,969.33/x
  3. Step 3: Cross multiply
    13,036,919.50x = 17,991,858.24 × 8,618,969.33
  4. Step 4: Simplify right side
    13,036,919.50x = 155,071,274,438,982.12
  5. Step 5: Solve for x
    x = 155,071,274,438,982.12/13,036,919.50
  6. Step 6: Final answer
    x = 11,894,778.86

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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.