Home / 11,986,190.49-17,979,451.38-3,899,208.54

Finding the Fourth Proportional to 11,986,190.49, 17,979,451.38 and 3,899,208.54

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Solution

The fourth proportional to 11,986,190.49, 17,979,451.38 and 3,899,208.54 is: 5,848,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986,190.49 : 17,979,451.38 = 3,899,208.54 : x
  2. Step 2: Convert to fraction form
    11,986,190.49/17,979,451.38 = 3,899,208.54/x
  3. Step 3: Cross multiply
    11,986,190.49x = 17,979,451.38 × 3,899,208.54
  4. Step 4: Simplify right side
    11,986,190.49x = 70,105,630,365,410.78
  5. Step 5: Solve for x
    x = 70,105,630,365,410.78/11,986,190.49
  6. Step 6: Final answer
    x = 5,848,866.70

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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.