Home / 9,628,949.19-13,280,201.83-8,464,906.57

Finding the Fourth Proportional to 9,628,949.19, 13,280,201.83 and 8,464,906.57

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Solution

The fourth proportional to 9,628,949.19, 13,280,201.83 and 8,464,906.57 is: 11,674,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628,949.19 : 13,280,201.83 = 8,464,906.57 : x
  2. Step 2: Convert to fraction form
    9,628,949.19/13,280,201.83 = 8,464,906.57/x
  3. Step 3: Cross multiply
    9,628,949.19x = 13,280,201.83 × 8,464,906.57
  4. Step 4: Simplify right side
    9,628,949.19x = 112,415,667,747,777.36
  5. Step 5: Solve for x
    x = 112,415,667,747,777.36/9,628,949.19
  6. Step 6: Final answer
    x = 11,674,759.68

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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.