Home / 11,979,834-16,540,150.92-7,086,628.08

Finding the Fourth Proportional to 11,979,834, 16,540,150.92 and 7,086,628.08

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Solution

The fourth proportional to 11,979,834, 16,540,150.92 and 7,086,628.08 is: 9,784,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979,834 : 16,540,150.92 = 7,086,628.08 : x
  2. Step 2: Convert to fraction form
    11,979,834/16,540,150.92 = 7,086,628.08/x
  3. Step 3: Cross multiply
    11,979,834x = 16,540,150.92 × 7,086,628.08
  4. Step 4: Simplify right side
    11,979,834x = 117,213,897,957,109.83
  5. Step 5: Solve for x
    x = 117,213,897,957,109.83/11,979,834
  6. Step 6: Final answer
    x = 9,784,267.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.