Home / 11,691,957.58-16,120,218.99-8,942,018.38

Finding the Fourth Proportional to 11,691,957.58, 16,120,218.99 and 8,942,018.38

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Solution

The fourth proportional to 11,691,957.58, 16,120,218.99 and 8,942,018.38 is: 12,328,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691,957.58 : 16,120,218.99 = 8,942,018.38 : x
  2. Step 2: Convert to fraction form
    11,691,957.58/16,120,218.99 = 8,942,018.38/x
  3. Step 3: Cross multiply
    11,691,957.58x = 16,120,218.99 × 8,942,018.38
  4. Step 4: Simplify right side
    11,691,957.58x = 144,147,294,498,205.06
  5. Step 5: Solve for x
    x = 144,147,294,498,205.06/11,691,957.58
  6. Step 6: Final answer
    x = 12,328,756.20

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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.