Home / 13,236,750.80-19,855,126.20-8,197,902.80

Finding the Fourth Proportional to 13,236,750.80, 19,855,126.20 and 8,197,902.80

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Solution

The fourth proportional to 13,236,750.80, 19,855,126.20 and 8,197,902.80 is: 12,296,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,750.80 : 19,855,126.20 = 8,197,902.80 : x
  2. Step 2: Convert to fraction form
    13,236,750.80/19,855,126.20 = 8,197,902.80/x
  3. Step 3: Cross multiply
    13,236,750.80x = 19,855,126.20 × 8,197,902.80
  4. Step 4: Simplify right side
    13,236,750.80x = 162,770,394,669,333.34
  5. Step 5: Solve for x
    x = 162,770,394,669,333.34/13,236,750.80
  6. Step 6: Final answer
    x = 12,296,854.20

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Double scale
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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.