Home / 20,741,841.06-28,623,745.78-11,449,416.34

Finding the Fourth Proportional to 20,741,841.06, 28,623,745.78 and 11,449,416.34

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Solution

The fourth proportional to 20,741,841.06, 28,623,745.78 and 11,449,416.34 is: 15,800,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,841.06 : 28,623,745.78 = 11,449,416.34 : x
  2. Step 2: Convert to fraction form
    20,741,841.06/28,623,745.78 = 11,449,416.34/x
  3. Step 3: Cross multiply
    20,741,841.06x = 28,623,745.78 × 11,449,416.34
  4. Step 4: Simplify right side
    20,741,841.06x = 327,725,182,733,184.19
  5. Step 5: Solve for x
    x = 327,725,182,733,184.19/20,741,841.06
  6. Step 6: Final answer
    x = 15,800,197.38

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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.