Home / 20,777,229.11-28,675,424.51-11,956,499.11

Finding the Fourth Proportional to 20,777,229.11, 28,675,424.51 and 11,956,499.11

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Solution

The fourth proportional to 20,777,229.11, 28,675,424.51 and 11,956,499.11 is: 16,501,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,229.11 : 28,675,424.51 = 11,956,499.11 : x
  2. Step 2: Convert to fraction form
    20,777,229.11/28,675,424.51 = 11,956,499.11/x
  3. Step 3: Cross multiply
    20,777,229.11x = 28,675,424.51 × 11,956,499.11
  4. Step 4: Simplify right side
    20,777,229.11x = 342,857,687,590,889.88
  5. Step 5: Solve for x
    x = 342,857,687,590,889.88/20,777,229.11
  6. Step 6: Final answer
    x = 16,501,607.88

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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.