Home / 13,122,076.80-19,683,115.20-11,704,900.80

Finding the Fourth Proportional to 13,122,076.80, 19,683,115.20 and 11,704,900.80

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Solution

The fourth proportional to 13,122,076.80, 19,683,115.20 and 11,704,900.80 is: 17,557,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,076.80 : 19,683,115.20 = 11,704,900.80 : x
  2. Step 2: Convert to fraction form
    13,122,076.80/19,683,115.20 = 11,704,900.80/x
  3. Step 3: Cross multiply
    13,122,076.80x = 19,683,115.20 × 11,704,900.80
  4. Step 4: Simplify right side
    13,122,076.80x = 230,388,910,850,972.16
  5. Step 5: Solve for x
    x = 230,388,910,850,972.16/13,122,076.80
  6. Step 6: Final answer
    x = 17,557,351.20

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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.