Home / 6,947,431.08-10,422,151.29-2,628,310.20

Finding the Fourth Proportional to 6,947,431.08, 10,422,151.29 and 2,628,310.20

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Solution

The fourth proportional to 6,947,431.08, 10,422,151.29 and 2,628,310.20 is: 3,942,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947,431.08 : 10,422,151.29 = 2,628,310.20 : x
  2. Step 2: Convert to fraction form
    6,947,431.08/10,422,151.29 = 2,628,310.20/x
  3. Step 3: Cross multiply
    6,947,431.08x = 10,422,151.29 × 2,628,310.20
  4. Step 4: Simplify right side
    6,947,431.08x = 27,392,646,541,450.16
  5. Step 5: Solve for x
    x = 27,392,646,541,450.16/6,947,431.08
  6. Step 6: Final answer
    x = 3,942,845.38

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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.