Home / 15,503,718-21,394,921.86-8,628,198.24

Finding the Fourth Proportional to 15,503,718, 21,394,921.86 and 8,628,198.24

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Solution

The fourth proportional to 15,503,718, 21,394,921.86 and 8,628,198.24 is: 11,906,797.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503,718 : 21,394,921.86 = 8,628,198.24 : x
  2. Step 2: Convert to fraction form
    15,503,718/21,394,921.86 = 8,628,198.24/x
  3. Step 3: Cross multiply
    15,503,718x = 21,394,921.86 × 8,628,198.24
  4. Step 4: Simplify right side
    15,503,718x = 184,599,627,137,389.53
  5. Step 5: Solve for x
    x = 184,599,627,137,389.53/15,503,718
  6. Step 6: Final answer
    x = 11,906,797.27

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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.