Home / 10,204,879.45-14,082,734.41-5,621,200.82

Finding the Fourth Proportional to 10,204,879.45, 14,082,734.41 and 5,621,200.82

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Solution

The fourth proportional to 10,204,879.45, 14,082,734.41 and 5,621,200.82 is: 7,757,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204,879.45 : 14,082,734.41 = 5,621,200.82 : x
  2. Step 2: Convert to fraction form
    10,204,879.45/14,082,734.41 = 5,621,200.82/x
  3. Step 3: Cross multiply
    10,204,879.45x = 14,082,734.41 × 5,621,200.82
  4. Step 4: Simplify right side
    10,204,879.45x = 79,161,878,223,285.06
  5. Step 5: Solve for x
    x = 79,161,878,223,285.06/10,204,879.45
  6. Step 6: Final answer
    x = 7,757,257.56

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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.