Home / 13,663,578.05-18,843,525.82-11,336,787.14

Finding the Fourth Proportional to 13,663,578.05, 18,843,525.82 and 11,336,787.14

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Solution

The fourth proportional to 13,663,578.05, 18,843,525.82 and 11,336,787.14 is: 15,634,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663,578.05 : 18,843,525.82 = 11,336,787.14 : x
  2. Step 2: Convert to fraction form
    13,663,578.05/18,843,525.82 = 11,336,787.14/x
  3. Step 3: Cross multiply
    13,663,578.05x = 18,843,525.82 × 11,336,787.14
  4. Step 4: Simplify right side
    13,663,578.05x = 213,625,041,108,387.28
  5. Step 5: Solve for x
    x = 213,625,041,108,387.28/13,663,578.05
  6. Step 6: Final answer
    x = 15,634,633.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.