Home / 8,741,629.20-13,112,443.80-5,340,406.80

Finding the Fourth Proportional to 8,741,629.20, 13,112,443.80 and 5,340,406.80

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Solution

The fourth proportional to 8,741,629.20, 13,112,443.80 and 5,340,406.80 is: 8,010,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741,629.20 : 13,112,443.80 = 5,340,406.80 : x
  2. Step 2: Convert to fraction form
    8,741,629.20/13,112,443.80 = 5,340,406.80/x
  3. Step 3: Cross multiply
    8,741,629.20x = 13,112,443.80 × 5,340,406.80
  4. Step 4: Simplify right side
    8,741,629.20x = 70,025,784,034,137.84
  5. Step 5: Solve for x
    x = 70,025,784,034,137.84/8,741,629.20
  6. Step 6: Final answer
    x = 8,010,610.20

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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.