Home / 8,321,429.80-12,482,144.70-4,331,823.40

Finding the Fourth Proportional to 8,321,429.80, 12,482,144.70 and 4,331,823.40

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Solution

The fourth proportional to 8,321,429.80, 12,482,144.70 and 4,331,823.40 is: 6,497,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,429.80 : 12,482,144.70 = 4,331,823.40 : x
  2. Step 2: Convert to fraction form
    8,321,429.80/12,482,144.70 = 4,331,823.40/x
  3. Step 3: Cross multiply
    8,321,429.80x = 12,482,144.70 × 4,331,823.40
  4. Step 4: Simplify right side
    8,321,429.80x = 54,070,446,493,645.98
  5. Step 5: Solve for x
    x = 54,070,446,493,645.98/8,321,429.80
  6. Step 6: Final answer
    x = 6,497,735.10

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Similar ratio
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1.5x scale

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.