Home / 9,145,883-12,621,550.28-5,016,078.56

Finding the Fourth Proportional to 9,145,883, 12,621,550.28 and 5,016,078.56

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Solution

The fourth proportional to 9,145,883, 12,621,550.28 and 5,016,078.56 is: 6,922,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,883 : 12,621,550.28 = 5,016,078.56 : x
  2. Step 2: Convert to fraction form
    9,145,883/12,621,550.28 = 5,016,078.56/x
  3. Step 3: Cross multiply
    9,145,883x = 12,621,550.28 × 5,016,078.56
  4. Step 4: Simplify right side
    9,145,883x = 63,310,687,753,469.98
  5. Step 5: Solve for x
    x = 63,310,687,753,469.98/9,145,883
  6. Step 6: Final answer
    x = 6,922,315.51

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Double scale
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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.