Home / 12,481,029.60-18,727,765.20-7,093,816.80

Finding the Fourth Proportional to 12,481,029.60, 18,727,765.20 and 7,093,816.80

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Solution

The fourth proportional to 12,481,029.60, 18,727,765.20 and 7,093,816.80 is: 10,644,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,029.60 : 18,727,765.20 = 7,093,816.80 : x
  2. Step 2: Convert to fraction form
    12,481,029.60/18,727,765.20 = 7,093,816.80/x
  3. Step 3: Cross multiply
    12,481,029.60x = 18,727,765.20 × 7,093,816.80
  4. Step 4: Simplify right side
    12,481,029.60x = 132,851,335,402,215.34
  5. Step 5: Solve for x
    x = 132,851,335,402,215.34/12,481,029.60
  6. Step 6: Final answer
    x = 10,644,260.90

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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.