Home / 18,133,811.20-27,183,002.10-16,220,623.60

Finding the Fourth Proportional to 18,133,811.20, 27,183,002.10 and 16,220,623.60

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Solution

The fourth proportional to 18,133,811.20, 27,183,002.10 and 16,220,623.60 is: 24,315,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133,811.20 : 27,183,002.10 = 16,220,623.60 : x
  2. Step 2: Convert to fraction form
    18,133,811.20/27,183,002.10 = 16,220,623.60/x
  3. Step 3: Cross multiply
    18,133,811.20x = 27,183,002.10 × 16,220,623.60
  4. Step 4: Simplify right side
    18,133,811.20x = 440,925,245,382,109.56
  5. Step 5: Solve for x
    x = 440,925,245,382,109.56/18,133,811.20
  6. Step 6: Final answer
    x = 24,315,089.67

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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.