Home / 15,503,710-21,394,910.82-8,628,190.24

Finding the Fourth Proportional to 15,503,710, 21,394,910.82 and 8,628,190.24

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Solution

The fourth proportional to 15,503,710, 21,394,910.82 and 8,628,190.24 is: 11,906,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503,710 : 21,394,910.82 = 8,628,190.24 : x
  2. Step 2: Convert to fraction form
    15,503,710/21,394,910.82 = 8,628,190.24/x
  3. Step 3: Cross multiply
    15,503,710x = 21,394,910.82 × 8,628,190.24
  4. Step 4: Simplify right side
    15,503,710x = 184,599,360,722,794.41
  5. Step 5: Solve for x
    x = 184,599,360,722,794.41/15,503,710
  6. Step 6: Final answer
    x = 11,906,786.23

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1.5x scale

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.