Home / 6,728,667.38-9,285,442.48-3,827,996.42

Finding the Fourth Proportional to 6,728,667.38, 9,285,442.48 and 3,827,996.42

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Solution

The fourth proportional to 6,728,667.38, 9,285,442.48 and 3,827,996.42 is: 5,282,567.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728,667.38 : 9,285,442.48 = 3,827,996.42 : x
  2. Step 2: Convert to fraction form
    6,728,667.38/9,285,442.48 = 3,827,996.42/x
  3. Step 3: Cross multiply
    6,728,667.38x = 9,285,442.48 × 3,827,996.42
  4. Step 4: Simplify right side
    6,728,667.38x = 35,544,640,571,555.92
  5. Step 5: Solve for x
    x = 35,544,640,571,555.92/6,728,667.38
  6. Step 6: Final answer
    x = 5,282,567.64

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Half scale
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Double scale
Find fourth proportional to 6,728,668.38, 9,285,443.86 and 3,827,997.42
Similar ratio
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1.5x scale

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.