Home / 15,514,049.49-21,408,949.26-8,449,482.62

Finding the Fourth Proportional to 15,514,049.49, 21,408,949.26 and 8,449,482.62

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Solution

The fourth proportional to 15,514,049.49, 21,408,949.26 and 8,449,482.62 is: 11,660,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514,049.49 : 21,408,949.26 = 8,449,482.62 : x
  2. Step 2: Convert to fraction form
    15,514,049.49/21,408,949.26 = 8,449,482.62/x
  3. Step 3: Cross multiply
    15,514,049.49x = 21,408,949.26 × 8,449,482.62
  4. Step 4: Simplify right side
    15,514,049.49x = 180,894,544,577,787.12
  5. Step 5: Solve for x
    x = 180,894,544,577,787.12/15,514,049.49
  6. Step 6: Final answer
    x = 11,660,046.89

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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.