Home / 12,394,356.36-17,086,184.90-8,661,598.53

Finding the Fourth Proportional to 12,394,356.36, 17,086,184.90 and 8,661,598.53

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Solution

The fourth proportional to 12,394,356.36, 17,086,184.90 and 8,661,598.53 is: 11,940,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,356.36 : 17,086,184.90 = 8,661,598.53 : x
  2. Step 2: Convert to fraction form
    12,394,356.36/17,086,184.90 = 8,661,598.53/x
  3. Step 3: Cross multiply
    12,394,356.36x = 17,086,184.90 × 8,661,598.53
  4. Step 4: Simplify right side
    12,394,356.36x = 147,993,673,969,840.19
  5. Step 5: Solve for x
    x = 147,993,673,969,840.19/12,394,356.36
  6. Step 6: Final answer
    x = 11,940,408.17

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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.