Home / 13,839,188.66-20,749,912.59-5,757,770.42

Finding the Fourth Proportional to 13,839,188.66, 20,749,912.59 and 5,757,770.42

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Solution

The fourth proportional to 13,839,188.66, 20,749,912.59 and 5,757,770.42 is: 8,632,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839,188.66 : 20,749,912.59 = 5,757,770.42 : x
  2. Step 2: Convert to fraction form
    13,839,188.66/20,749,912.59 = 5,757,770.42/x
  3. Step 3: Cross multiply
    13,839,188.66x = 20,749,912.59 × 5,757,770.42
  4. Step 4: Simplify right side
    13,839,188.66x = 119,473,232,928,287.58
  5. Step 5: Solve for x
    x = 119,473,232,928,287.58/13,839,188.66
  6. Step 6: Final answer
    x = 8,632,965.12

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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.