Home / 10,918,481.28-16,377,131.04-3,345,468.96

Finding the Fourth Proportional to 10,918,481.28, 16,377,131.04 and 3,345,468.96

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Solution

The fourth proportional to 10,918,481.28, 16,377,131.04 and 3,345,468.96 is: 5,018,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918,481.28 : 16,377,131.04 = 3,345,468.96 : x
  2. Step 2: Convert to fraction form
    10,918,481.28/16,377,131.04 = 3,345,468.96/x
  3. Step 3: Cross multiply
    10,918,481.28x = 16,377,131.04 × 3,345,468.96
  4. Step 4: Simplify right side
    10,918,481.28x = 54,789,183,548,172.52
  5. Step 5: Solve for x
    x = 54,789,183,548,172.52/10,918,481.28
  6. Step 6: Final answer
    x = 5,018,022.39

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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.