Home / 5,431,546.10-8,147,319.15-2,912,122.10

Finding the Fourth Proportional to 5,431,546.10, 8,147,319.15 and 2,912,122.10

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Solution

The fourth proportional to 5,431,546.10, 8,147,319.15 and 2,912,122.10 is: 4,368,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,546.10 : 8,147,319.15 = 2,912,122.10 : x
  2. Step 2: Convert to fraction form
    5,431,546.10/8,147,319.15 = 2,912,122.10/x
  3. Step 3: Cross multiply
    5,431,546.10x = 8,147,319.15 × 2,912,122.10
  4. Step 4: Simplify right side
    5,431,546.10x = 23,725,988,152,468.22
  5. Step 5: Solve for x
    x = 23,725,988,152,468.22/5,431,546.10
  6. Step 6: Final answer
    x = 4,368,183.15

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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.