Home / 11,986,053.98-17,979,246.81-3,899,071.89

Finding the Fourth Proportional to 11,986,053.98, 17,979,246.81 and 3,899,071.89

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Solution

The fourth proportional to 11,986,053.98, 17,979,246.81 and 3,899,071.89 is: 5,848,661.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986,053.98 : 17,979,246.81 = 3,899,071.89 : x
  2. Step 2: Convert to fraction form
    11,986,053.98/17,979,246.81 = 3,899,071.89/x
  3. Step 3: Cross multiply
    11,986,053.98x = 17,979,246.81 × 3,899,071.89
  4. Step 4: Simplify right side
    11,986,053.98x = 70,102,375,840,243.17
  5. Step 5: Solve for x
    x = 70,102,375,840,243.17/11,986,053.98
  6. Step 6: Final answer
    x = 5,848,661.79

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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.