Home / 10,424,439.92-15,643,724.21-4,277,532.86

Finding the Fourth Proportional to 10,424,439.92, 15,643,724.21 and 4,277,532.86

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Solution

The fourth proportional to 10,424,439.92, 15,643,724.21 and 4,277,532.86 is: 6,419,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424,439.92 : 15,643,724.21 = 4,277,532.86 : x
  2. Step 2: Convert to fraction form
    10,424,439.92/15,643,724.21 = 4,277,532.86/x
  3. Step 3: Cross multiply
    10,424,439.92x = 15,643,724.21 × 4,277,532.86
  4. Step 4: Simplify right side
    10,424,439.92x = 66,916,544,361,052.55
  5. Step 5: Solve for x
    x = 66,916,544,361,052.55/10,424,439.92
  6. Step 6: Final answer
    x = 6,419,198.05

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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.