Home / 20,412,905.30-30,614,520.86-5,839,375.47

Finding the Fourth Proportional to 20,412,905.30, 30,614,520.86 and 5,839,375.47

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Solution

The fourth proportional to 20,412,905.30, 30,614,520.86 and 5,839,375.47 is: 8,757,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,905.30 : 30,614,520.86 = 5,839,375.47 : x
  2. Step 2: Convert to fraction form
    20,412,905.30/30,614,520.86 = 5,839,375.47/x
  3. Step 3: Cross multiply
    20,412,905.30x = 30,614,520.86 × 5,839,375.47
  4. Step 4: Simplify right side
    20,412,905.30x = 178,769,682,106,490.41
  5. Step 5: Solve for x
    x = 178,769,682,106,490.41/20,412,905.30
  6. Step 6: Final answer
    x = 8,757,679.49

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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.