Home / 20,336,028.06-30,504,017.61-5,189,961.18

Finding the Fourth Proportional to 20,336,028.06, 30,504,017.61 and 5,189,961.18

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Solution

The fourth proportional to 20,336,028.06, 30,504,017.61 and 5,189,961.18 is: 7,784,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336,028.06 : 30,504,017.61 = 5,189,961.18 : x
  2. Step 2: Convert to fraction form
    20,336,028.06/30,504,017.61 = 5,189,961.18/x
  3. Step 3: Cross multiply
    20,336,028.06x = 30,504,017.61 × 5,189,961.18
  4. Step 4: Simplify right side
    20,336,028.06x = 158,314,667,229,936.38
  5. Step 5: Solve for x
    x = 158,314,667,229,936.38/20,336,028.06
  6. Step 6: Final answer
    x = 7,784,935.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.