Home / 20,310,684.86-30,473,611.47-8,183,588.83

Finding the Fourth Proportional to 20,310,684.86, 30,473,611.47 and 8,183,588.83

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Solution

The fourth proportional to 20,310,684.86, 30,473,611.47 and 8,183,588.83 is: 12,278,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310,684.86 : 30,473,611.47 = 8,183,588.83 : x
  2. Step 2: Convert to fraction form
    20,310,684.86/30,473,611.47 = 8,183,588.83/x
  3. Step 3: Cross multiply
    20,310,684.86x = 30,473,611.47 × 8,183,588.83
  4. Step 4: Simplify right side
    20,310,684.86x = 249,383,506,435,651.88
  5. Step 5: Solve for x
    x = 249,383,506,435,651.88/20,310,684.86
  6. Step 6: Final answer
    x = 12,278,439.07

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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.