Home / 12,641,857.60-18,962,786.40-11,295,540.40

Finding the Fourth Proportional to 12,641,857.60, 18,962,786.40 and 11,295,540.40

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Solution

The fourth proportional to 12,641,857.60, 18,962,786.40 and 11,295,540.40 is: 16,943,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641,857.60 : 18,962,786.40 = 11,295,540.40 : x
  2. Step 2: Convert to fraction form
    12,641,857.60/18,962,786.40 = 11,295,540.40/x
  3. Step 3: Cross multiply
    12,641,857.60x = 18,962,786.40 × 11,295,540.40
  4. Step 4: Simplify right side
    12,641,857.60x = 214,194,919,877,770.56
  5. Step 5: Solve for x
    x = 214,194,919,877,770.56/12,641,857.60
  6. Step 6: Final answer
    x = 16,943,310.60

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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.