Home / 8,198,890.40-12,303,584.40-4,787,170.40

Finding the Fourth Proportional to 8,198,890.40, 12,303,584.40 and 4,787,170.40

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Solution

The fourth proportional to 8,198,890.40, 12,303,584.40 and 4,787,170.40 is: 7,183,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,890.40 : 12,303,584.40 = 4,787,170.40 : x
  2. Step 2: Convert to fraction form
    8,198,890.40/12,303,584.40 = 4,787,170.40/x
  3. Step 3: Cross multiply
    8,198,890.40x = 12,303,584.40 × 4,787,170.40
  4. Step 4: Simplify right side
    8,198,890.40x = 58,899,355,053,581.77
  5. Step 5: Solve for x
    x = 58,899,355,053,581.77/8,198,890.40
  6. Step 6: Final answer
    x = 7,183,820.27

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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.