Home / 10,418,550.75-15,621,768.60-3,942,125.57

Finding the Fourth Proportional to 10,418,550.75, 15,621,768.60 and 3,942,125.57

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Solution

The fourth proportional to 10,418,550.75, 15,621,768.60 and 3,942,125.57 is: 5,910,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418,550.75 : 15,621,768.60 = 3,942,125.57 : x
  2. Step 2: Convert to fraction form
    10,418,550.75/15,621,768.60 = 3,942,125.57/x
  3. Step 3: Cross multiply
    10,418,550.75x = 15,621,768.60 × 3,942,125.57
  4. Step 4: Simplify right side
    10,418,550.75x = 61,582,973,368,574.26
  5. Step 5: Solve for x
    x = 61,582,973,368,574.26/10,418,550.75
  6. Step 6: Final answer
    x = 5,910,896.33

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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.