Home / 6,543,432.72-9,029,732-3,790,173.92

Finding the Fourth Proportional to 6,543,432.72, 9,029,732 and 3,790,173.92

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Solution

The fourth proportional to 6,543,432.72, 9,029,732 and 3,790,173.92 is: 5,230,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543,432.72 : 9,029,732 = 3,790,173.92 : x
  2. Step 2: Convert to fraction form
    6,543,432.72/9,029,732 = 3,790,173.92/x
  3. Step 3: Cross multiply
    6,543,432.72x = 9,029,732 × 3,790,173.92
  4. Step 4: Simplify right side
    6,543,432.72x = 34,224,254,730,989.44
  5. Step 5: Solve for x
    x = 34,224,254,730,989.44/6,543,432.72
  6. Step 6: Final answer
    x = 5,230,321.18

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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.