Home / 8,280,563.58-12,420,733.86-2,132,511.30

Finding the Fourth Proportional to 8,280,563.58, 12,420,733.86 and 2,132,511.30

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Solution

The fourth proportional to 8,280,563.58, 12,420,733.86 and 2,132,511.30 is: 3,198,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,563.58 : 12,420,733.86 = 2,132,511.30 : x
  2. Step 2: Convert to fraction form
    8,280,563.58/12,420,733.86 = 2,132,511.30/x
  3. Step 3: Cross multiply
    8,280,563.58x = 12,420,733.86 × 2,132,511.30
  4. Step 4: Simplify right side
    8,280,563.58x = 26,487,355,310,742.61
  5. Step 5: Solve for x
    x = 26,487,355,310,742.61/8,280,563.58
  6. Step 6: Final answer
    x = 3,198,738.23

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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.