Home / 10,892,815.20-16,339,222.80-6,115,240.80

Finding the Fourth Proportional to 10,892,815.20, 16,339,222.80 and 6,115,240.80

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Solution

The fourth proportional to 10,892,815.20, 16,339,222.80 and 6,115,240.80 is: 9,172,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,815.20 : 16,339,222.80 = 6,115,240.80 : x
  2. Step 2: Convert to fraction form
    10,892,815.20/16,339,222.80 = 6,115,240.80/x
  3. Step 3: Cross multiply
    10,892,815.20x = 16,339,222.80 × 6,115,240.80
  4. Step 4: Simplify right side
    10,892,815.20x = 99,918,281,906,850.23
  5. Step 5: Solve for x
    x = 99,918,281,906,850.23/10,892,815.20
  6. Step 6: Final answer
    x = 9,172,861.20

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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.