Home / 9,109,168.75-12,570,651.97-4,979,216.49

Finding the Fourth Proportional to 9,109,168.75, 12,570,651.97 and 4,979,216.49

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Solution

The fourth proportional to 9,109,168.75, 12,570,651.97 and 4,979,216.49 is: 6,871,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,168.75 : 12,570,651.97 = 4,979,216.49 : x
  2. Step 2: Convert to fraction form
    9,109,168.75/12,570,651.97 = 4,979,216.49/x
  3. Step 3: Cross multiply
    9,109,168.75x = 12,570,651.97 × 4,979,216.49
  4. Step 4: Simplify right side
    9,109,168.75x = 62,591,997,516,221.73
  5. Step 5: Solve for x
    x = 62,591,997,516,221.73/9,109,168.75
  6. Step 6: Final answer
    x = 6,871,318.25

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Double scale
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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.