Home / 12,394,396.86-18,534,519.42-11,789,735.10

Finding the Fourth Proportional to 12,394,396.86, 18,534,519.42 and 11,789,735.10

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Solution

The fourth proportional to 12,394,396.86, 18,534,519.42 and 11,789,735.10 is: 17,630,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,396.86 : 18,534,519.42 = 11,789,735.10 : x
  2. Step 2: Convert to fraction form
    12,394,396.86/18,534,519.42 = 11,789,735.10/x
  3. Step 3: Cross multiply
    12,394,396.86x = 18,534,519.42 × 11,789,735.10
  4. Step 4: Simplify right side
    12,394,396.86x = 218,517,074,167,605.66
  5. Step 5: Solve for x
    x = 218,517,074,167,605.66/12,394,396.86
  6. Step 6: Final answer
    x = 17,630,311.23

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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.