Home / 18,436,404.20-27,630,986.70-16,405,118.60

Finding the Fourth Proportional to 18,436,404.20, 27,630,986.70 and 16,405,118.60

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Solution

The fourth proportional to 18,436,404.20, 27,630,986.70 and 16,405,118.60 is: 24,586,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,404.20 : 27,630,986.70 = 16,405,118.60 : x
  2. Step 2: Convert to fraction form
    18,436,404.20/27,630,986.70 = 16,405,118.60/x
  3. Step 3: Cross multiply
    18,436,404.20x = 27,630,986.70 × 16,405,118.60
  4. Step 4: Simplify right side
    18,436,404.20x = 453,289,613,848,522.62
  5. Step 5: Solve for x
    x = 453,289,613,848,522.62/18,436,404.20
  6. Step 6: Final answer
    x = 24,586,660.66

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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.