Home / 20,777,236.36-28,675,434.52-11,956,506.36

Finding the Fourth Proportional to 20,777,236.36, 28,675,434.52 and 11,956,506.36

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Solution

The fourth proportional to 20,777,236.36, 28,675,434.52 and 11,956,506.36 is: 16,501,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,236.36 : 28,675,434.52 = 11,956,506.36 : x
  2. Step 2: Convert to fraction form
    20,777,236.36/28,675,434.52 = 11,956,506.36/x
  3. Step 3: Cross multiply
    20,777,236.36x = 28,675,434.52 × 11,956,506.36
  4. Step 4: Simplify right side
    20,777,236.36x = 342,858,015,214,143.50
  5. Step 5: Solve for x
    x = 342,858,015,214,143.50/20,777,236.36
  6. Step 6: Final answer
    x = 16,501,617.89

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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.