Home / 10,321,422.46-15,472,464.28-3,493,215.21

Finding the Fourth Proportional to 10,321,422.46, 15,472,464.28 and 3,493,215.21

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Solution

The fourth proportional to 10,321,422.46, 15,472,464.28 and 3,493,215.21 is: 5,236,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321,422.46 : 15,472,464.28 = 3,493,215.21 : x
  2. Step 2: Convert to fraction form
    10,321,422.46/15,472,464.28 = 3,493,215.21/x
  3. Step 3: Cross multiply
    10,321,422.46x = 15,472,464.28 × 3,493,215.21
  4. Step 4: Simplify right side
    10,321,422.46x = 54,048,647,608,366.41
  5. Step 5: Solve for x
    x = 54,048,647,608,366.41/10,321,422.46
  6. Step 6: Final answer
    x = 5,236,550.28

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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.