Home / 18,436,406.20-27,630,989.70-16,405,120.60

Finding the Fourth Proportional to 18,436,406.20, 27,630,989.70 and 16,405,120.60

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Solution

The fourth proportional to 18,436,406.20, 27,630,989.70 and 16,405,120.60 is: 24,586,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,406.20 : 27,630,989.70 = 16,405,120.60 : x
  2. Step 2: Convert to fraction form
    18,436,406.20/27,630,989.70 = 16,405,120.60/x
  3. Step 3: Cross multiply
    18,436,406.20x = 27,630,989.70 × 16,405,120.60
  4. Step 4: Simplify right side
    18,436,406.20x = 453,289,718,325,857.81
  5. Step 5: Solve for x
    x = 453,289,718,325,857.81/18,436,406.20
  6. Step 6: Final answer
    x = 24,586,663.66

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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.