Home / 12,616,628.67-18,964,447.40-8,326,249.80

Finding the Fourth Proportional to 12,616,628.67, 18,964,447.40 and 8,326,249.80

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Solution

The fourth proportional to 12,616,628.67, 18,964,447.40 and 8,326,249.80 is: 12,515,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,628.67 : 18,964,447.40 = 8,326,249.80 : x
  2. Step 2: Convert to fraction form
    12,616,628.67/18,964,447.40 = 8,326,249.80/x
  3. Step 3: Cross multiply
    12,616,628.67x = 18,964,447.40 × 8,326,249.80
  4. Step 4: Simplify right side
    12,616,628.67x = 157,902,726,371,360.50
  5. Step 5: Solve for x
    x = 157,902,726,371,360.50/12,616,628.67
  6. Step 6: Final answer
    x = 12,515,445.33

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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.