Home / 13,486,540.40-20,229,810.60-4,965,769.70

Finding the Fourth Proportional to 13,486,540.40, 20,229,810.60 and 4,965,769.70

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Solution

The fourth proportional to 13,486,540.40, 20,229,810.60 and 4,965,769.70 is: 7,448,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,540.40 : 20,229,810.60 = 4,965,769.70 : x
  2. Step 2: Convert to fraction form
    13,486,540.40/20,229,810.60 = 4,965,769.70/x
  3. Step 3: Cross multiply
    13,486,540.40x = 20,229,810.60 × 4,965,769.70
  4. Step 4: Simplify right side
    13,486,540.40x = 100,456,580,514,218.83
  5. Step 5: Solve for x
    x = 100,456,580,514,218.83/13,486,540.40
  6. Step 6: Final answer
    x = 7,448,654.55

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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.