Home / 8,180,613.40-12,261,704.10-3,922,821.40

Finding the Fourth Proportional to 8,180,613.40, 12,261,704.10 and 3,922,821.40

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Solution

The fourth proportional to 8,180,613.40, 12,261,704.10 and 3,922,821.40 is: 5,879,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180,613.40 : 12,261,704.10 = 3,922,821.40 : x
  2. Step 2: Convert to fraction form
    8,180,613.40/12,261,704.10 = 3,922,821.40/x
  3. Step 3: Cross multiply
    8,180,613.40x = 12,261,704.10 × 3,922,821.40
  4. Step 4: Simplify right side
    8,180,613.40x = 48,100,475,243,947.73
  5. Step 5: Solve for x
    x = 48,100,475,243,947.73/8,180,613.40
  6. Step 6: Final answer
    x = 5,879,812.78

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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.