Home / 11,821,091.25-16,313,127.39-6,664,440.36

Finding the Fourth Proportional to 11,821,091.25, 16,313,127.39 and 6,664,440.36

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Solution

The fourth proportional to 11,821,091.25, 16,313,127.39 and 6,664,440.36 is: 9,196,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,091.25 : 16,313,127.39 = 6,664,440.36 : x
  2. Step 2: Convert to fraction form
    11,821,091.25/16,313,127.39 = 6,664,440.36/x
  3. Step 3: Cross multiply
    11,821,091.25x = 16,313,127.39 × 6,664,440.36
  4. Step 4: Simplify right side
    11,821,091.25x = 108,717,864,575,737.47
  5. Step 5: Solve for x
    x = 108,717,864,575,737.47/11,821,091.25
  6. Step 6: Final answer
    x = 9,196,939.80

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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.