Home / 15,150,305.81-20,907,422.02-8,274,804.28

Finding the Fourth Proportional to 15,150,305.81, 20,907,422.02 and 8,274,804.28

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Solution

The fourth proportional to 15,150,305.81, 20,907,422.02 and 8,274,804.28 is: 11,419,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150,305.81 : 20,907,422.02 = 8,274,804.28 : x
  2. Step 2: Convert to fraction form
    15,150,305.81/20,907,422.02 = 8,274,804.28/x
  3. Step 3: Cross multiply
    15,150,305.81x = 20,907,422.02 × 8,274,804.28
  4. Step 4: Simplify right side
    15,150,305.81x = 173,004,825,172,937.19
  5. Step 5: Solve for x
    x = 173,004,825,172,937.19/15,150,305.81
  6. Step 6: Final answer
    x = 11,419,229.90

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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.