Home / 20,310,685.11-30,473,611.85-8,183,589.08

Finding the Fourth Proportional to 20,310,685.11, 30,473,611.85 and 8,183,589.08

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Solution

The fourth proportional to 20,310,685.11, 30,473,611.85 and 8,183,589.08 is: 12,278,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310,685.11 : 30,473,611.85 = 8,183,589.08 : x
  2. Step 2: Convert to fraction form
    20,310,685.11/30,473,611.85 = 8,183,589.08/x
  3. Step 3: Cross multiply
    20,310,685.11x = 30,473,611.85 × 8,183,589.08
  4. Step 4: Simplify right side
    20,310,685.11x = 249,383,517,163,818.62
  5. Step 5: Solve for x
    x = 249,383,517,163,818.62/20,310,685.11
  6. Step 6: Final answer
    x = 12,278,439.44

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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.