Home / 12,794,439.60-19,160,166.60-8,511,418.80

Finding the Fourth Proportional to 12,794,439.60, 19,160,166.60 and 8,511,418.80

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Solution

The fourth proportional to 12,794,439.60, 19,160,166.60 and 8,511,418.80 is: 12,746,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,439.60 : 19,160,166.60 = 8,511,418.80 : x
  2. Step 2: Convert to fraction form
    12,794,439.60/19,160,166.60 = 8,511,418.80/x
  3. Step 3: Cross multiply
    12,794,439.60x = 19,160,166.60 × 8,511,418.80
  4. Step 4: Simplify right side
    12,794,439.60x = 163,080,202,210,372.09
  5. Step 5: Solve for x
    x = 163,080,202,210,372.09/12,794,439.60
  6. Step 6: Final answer
    x = 12,746,177.82

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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.