Home / 20,368,305.54-28,107,406.03-11,548,350.17

Finding the Fourth Proportional to 20,368,305.54, 28,107,406.03 and 11,548,350.17

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Solution

The fourth proportional to 20,368,305.54, 28,107,406.03 and 11,548,350.17 is: 15,936,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,305.54 : 28,107,406.03 = 11,548,350.17 : x
  2. Step 2: Convert to fraction form
    20,368,305.54/28,107,406.03 = 11,548,350.17/x
  3. Step 3: Cross multiply
    20,368,305.54x = 28,107,406.03 × 11,548,350.17
  4. Step 4: Simplify right side
    20,368,305.54x = 324,594,167,204,809.56
  5. Step 5: Solve for x
    x = 324,594,167,204,809.56/20,368,305.54
  6. Step 6: Final answer
    x = 15,936,238.12

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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.