Home / 13,188,324.20-19,782,486.30-9,787,101.80

Finding the Fourth Proportional to 13,188,324.20, 19,782,486.30 and 9,787,101.80

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Solution

The fourth proportional to 13,188,324.20, 19,782,486.30 and 9,787,101.80 is: 14,680,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,324.20 : 19,782,486.30 = 9,787,101.80 : x
  2. Step 2: Convert to fraction form
    13,188,324.20/19,782,486.30 = 9,787,101.80/x
  3. Step 3: Cross multiply
    13,188,324.20x = 19,782,486.30 × 9,787,101.80
  4. Step 4: Simplify right side
    13,188,324.20x = 193,613,207,275,205.38
  5. Step 5: Solve for x
    x = 193,613,207,275,205.38/13,188,324.20
  6. Step 6: Final answer
    x = 14,680,652.70

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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.