Home / 20,777,268.24-28,675,478.44-11,956,538.32

Finding the Fourth Proportional to 20,777,268.24, 28,675,478.44 and 11,956,538.32

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Solution

The fourth proportional to 20,777,268.24, 28,675,478.44 and 11,956,538.32 is: 16,501,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,268.24 : 28,675,478.44 = 11,956,538.32 : x
  2. Step 2: Convert to fraction form
    20,777,268.24/28,675,478.44 = 11,956,538.32/x
  3. Step 3: Cross multiply
    20,777,268.24x = 28,675,478.44 × 11,956,538.32
  4. Step 4: Simplify right side
    20,777,268.24x = 342,859,456,812,193.88
  5. Step 5: Solve for x
    x = 342,859,456,812,193.88/20,777,268.24
  6. Step 6: Final answer
    x = 16,501,661.95

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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.