Home / 20,777,250.30-28,675,453.55-11,956,520.40

Finding the Fourth Proportional to 20,777,250.30, 28,675,453.55 and 11,956,520.40

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Solution

The fourth proportional to 20,777,250.30, 28,675,453.55 and 11,956,520.40 is: 16,501,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,250.30 : 28,675,453.55 = 11,956,520.40 : x
  2. Step 2: Convert to fraction form
    20,777,250.30/28,675,453.55 = 11,956,520.40/x
  3. Step 3: Cross multiply
    20,777,250.30x = 28,675,453.55 × 11,956,520.40
  4. Step 4: Simplify right side
    20,777,250.30x = 342,858,645,182,511.88
  5. Step 5: Solve for x
    x = 342,858,645,182,511.88/20,777,250.30
  6. Step 6: Final answer
    x = 16,501,637.14

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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.