Home / 18,074,706.93-27,116,653.10-5,120,843.49

Finding the Fourth Proportional to 18,074,706.93, 27,116,653.10 and 5,120,843.49

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Solution

The fourth proportional to 18,074,706.93, 27,116,653.10 and 5,120,843.49 is: 7,682,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074,706.93 : 27,116,653.10 = 5,120,843.49 : x
  2. Step 2: Convert to fraction form
    18,074,706.93/27,116,653.10 = 5,120,843.49/x
  3. Step 3: Cross multiply
    18,074,706.93x = 27,116,653.10 × 5,120,843.49
  4. Step 4: Simplify right side
    18,074,706.93x = 138,860,136,472,119.09
  5. Step 5: Solve for x
    x = 138,860,136,472,119.09/18,074,706.93
  6. Step 6: Final answer
    x = 7,682,566.42

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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.