Home / 12,481,231.20-18,721,846.80-11,062,888.80

Finding the Fourth Proportional to 12,481,231.20, 18,721,846.80 and 11,062,888.80

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Solution

The fourth proportional to 12,481,231.20, 18,721,846.80 and 11,062,888.80 is: 16,594,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,231.20 : 18,721,846.80 = 11,062,888.80 : x
  2. Step 2: Convert to fraction form
    12,481,231.20/18,721,846.80 = 11,062,888.80/x
  3. Step 3: Cross multiply
    12,481,231.20x = 18,721,846.80 × 11,062,888.80
  4. Step 4: Simplify right side
    12,481,231.20x = 207,117,709,279,035.88
  5. Step 5: Solve for x
    x = 207,117,709,279,035.88/12,481,231.20
  6. Step 6: Final answer
    x = 16,594,333.20

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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.