Home / 7,204,398.75-9,942,148.77-3,941,143.41

Finding the Fourth Proportional to 7,204,398.75, 9,942,148.77 and 3,941,143.41

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Solution

The fourth proportional to 7,204,398.75, 9,942,148.77 and 3,941,143.41 is: 5,438,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204,398.75 : 9,942,148.77 = 3,941,143.41 : x
  2. Step 2: Convert to fraction form
    7,204,398.75/9,942,148.77 = 3,941,143.41/x
  3. Step 3: Cross multiply
    7,204,398.75x = 9,942,148.77 × 3,941,143.41
  4. Step 4: Simplify right side
    7,204,398.75x = 39,183,434,106,125.10
  5. Step 5: Solve for x
    x = 39,183,434,106,125.10/7,204,398.75
  6. Step 6: Final answer
    x = 5,438,820.85

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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.