Home / 8,400,069.10-12,591,246.30-3,280,520.80

Finding the Fourth Proportional to 8,400,069.10, 12,591,246.30 and 3,280,520.80

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Solution

The fourth proportional to 8,400,069.10, 12,591,246.30 and 3,280,520.80 is: 4,917,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400,069.10 : 12,591,246.30 = 3,280,520.80 : x
  2. Step 2: Convert to fraction form
    8,400,069.10/12,591,246.30 = 3,280,520.80/x
  3. Step 3: Cross multiply
    8,400,069.10x = 12,591,246.30 × 3,280,520.80
  4. Step 4: Simplify right side
    8,400,069.10x = 41,305,845,385,073.04
  5. Step 5: Solve for x
    x = 41,305,845,385,073.04/8,400,069.10
  6. Step 6: Final answer
    x = 4,917,322.10

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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.