Home / 12,394,459.67-17,086,327.31-8,661,701.48

Finding the Fourth Proportional to 12,394,459.67, 17,086,327.31 and 8,661,701.48

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Solution

The fourth proportional to 12,394,459.67, 17,086,327.31 and 8,661,701.48 is: 11,940,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,459.67 : 17,086,327.31 = 8,661,701.48 : x
  2. Step 2: Convert to fraction form
    12,394,459.67/17,086,327.31 = 8,661,701.48/x
  3. Step 3: Cross multiply
    12,394,459.67x = 17,086,327.31 × 8,661,701.48
  4. Step 4: Simplify right side
    12,394,459.67x = 147,996,666,420,051.28
  5. Step 5: Solve for x
    x = 147,996,666,420,051.28/12,394,459.67
  6. Step 6: Final answer
    x = 11,940,550.09

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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.