Home / 12,474,339.50-18,718,974.30-5,382,627.50

Finding the Fourth Proportional to 12,474,339.50, 18,718,974.30 and 5,382,627.50

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Solution

The fourth proportional to 12,474,339.50, 18,718,974.30 and 5,382,627.50 is: 8,077,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,339.50 : 18,718,974.30 = 5,382,627.50 : x
  2. Step 2: Convert to fraction form
    12,474,339.50/18,718,974.30 = 5,382,627.50/x
  3. Step 3: Cross multiply
    12,474,339.50x = 18,718,974.30 × 5,382,627.50
  4. Step 4: Simplify right side
    12,474,339.50x = 100,757,265,838,973.25
  5. Step 5: Solve for x
    x = 100,757,265,838,973.25/12,474,339.50
  6. Step 6: Final answer
    x = 8,077,162.39

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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.