Home / 12,616,629.67-18,964,448.90-8,326,250.80

Finding the Fourth Proportional to 12,616,629.67, 18,964,448.90 and 8,326,250.80

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Solution

The fourth proportional to 12,616,629.67, 18,964,448.90 and 8,326,250.80 is: 12,515,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,629.67 : 18,964,448.90 = 8,326,250.80 : x
  2. Step 2: Convert to fraction form
    12,616,629.67/18,964,448.90 = 8,326,250.80/x
  3. Step 3: Cross multiply
    12,616,629.67x = 18,964,448.90 × 8,326,250.80
  4. Step 4: Simplify right side
    12,616,629.67x = 157,902,757,825,184.09
  5. Step 5: Solve for x
    x = 157,902,757,825,184.09/12,616,629.67
  6. Step 6: Final answer
    x = 12,515,446.83

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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.