Home / 5,466,915.60-8,200,373.40-2,915,998.80

Finding the Fourth Proportional to 5,466,915.60, 8,200,373.40 and 2,915,998.80

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Solution

The fourth proportional to 5,466,915.60, 8,200,373.40 and 2,915,998.80 is: 4,373,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466,915.60 : 8,200,373.40 = 2,915,998.80 : x
  2. Step 2: Convert to fraction form
    5,466,915.60/8,200,373.40 = 2,915,998.80/x
  3. Step 3: Cross multiply
    5,466,915.60x = 8,200,373.40 × 2,915,998.80
  4. Step 4: Simplify right side
    5,466,915.60x = 23,912,278,993,951.92
  5. Step 5: Solve for x
    x = 23,912,278,993,951.92/5,466,915.60
  6. Step 6: Final answer
    x = 4,373,998.20

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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.