Home / 10,328,107.16-15,491,600.06-3,139,080.55

Finding the Fourth Proportional to 10,328,107.16, 15,491,600.06 and 3,139,080.55

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Solution

The fourth proportional to 10,328,107.16, 15,491,600.06 and 3,139,080.55 is: 4,708,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,107.16 : 15,491,600.06 = 3,139,080.55 : x
  2. Step 2: Convert to fraction form
    10,328,107.16/15,491,600.06 = 3,139,080.55/x
  3. Step 3: Cross multiply
    10,328,107.16x = 15,491,600.06 × 3,139,080.55
  4. Step 4: Simplify right side
    10,328,107.16x = 48,629,380,382,300.43
  5. Step 5: Solve for x
    x = 48,629,380,382,300.43/10,328,107.16
  6. Step 6: Final answer
    x = 4,708,450.41

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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.