Home / 5,400,007.98-7,453,480.78-3,078,122.88

Finding the Fourth Proportional to 5,400,007.98, 7,453,480.78 and 3,078,122.88

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Solution

The fourth proportional to 5,400,007.98, 7,453,480.78 and 3,078,122.88 is: 4,248,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400,007.98 : 7,453,480.78 = 3,078,122.88 : x
  2. Step 2: Convert to fraction form
    5,400,007.98/7,453,480.78 = 3,078,122.88/x
  3. Step 3: Cross multiply
    5,400,007.98x = 7,453,480.78 × 3,078,122.88
  4. Step 4: Simplify right side
    5,400,007.98x = 22,942,729,734,650.27
  5. Step 5: Solve for x
    x = 22,942,729,734,650.27/5,400,007.98
  6. Step 6: Final answer
    x = 4,248,647.37

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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.