Home / 7,516,745.87-10,373,137.49-4,078,987.61

Finding the Fourth Proportional to 7,516,745.87, 10,373,137.49 and 4,078,987.61

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Solution

The fourth proportional to 7,516,745.87, 10,373,137.49 and 4,078,987.61 is: 5,629,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516,745.87 : 10,373,137.49 = 4,078,987.61 : x
  2. Step 2: Convert to fraction form
    7,516,745.87/10,373,137.49 = 4,078,987.61/x
  3. Step 3: Cross multiply
    7,516,745.87x = 10,373,137.49 × 4,078,987.61
  4. Step 4: Simplify right side
    7,516,745.87x = 42,311,899,256,868.28
  5. Step 5: Solve for x
    x = 42,311,899,256,868.28/7,516,745.87
  6. Step 6: Final answer
    x = 5,629,018.20

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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.