Home / 18,932,891.54-28,399,335.91-4,555,960.85

Finding the Fourth Proportional to 18,932,891.54, 28,399,335.91 and 4,555,960.85

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Solution

The fourth proportional to 18,932,891.54, 28,399,335.91 and 4,555,960.85 is: 6,833,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932,891.54 : 28,399,335.91 = 4,555,960.85 : x
  2. Step 2: Convert to fraction form
    18,932,891.54/28,399,335.91 = 4,555,960.85/x
  3. Step 3: Cross multiply
    18,932,891.54x = 28,399,335.91 × 4,555,960.85
  4. Step 4: Simplify right side
    18,932,891.54x = 129,386,262,631,567.56
  5. Step 5: Solve for x
    x = 129,386,262,631,567.56/18,932,891.54
  6. Step 6: Final answer
    x = 6,833,940.94

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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.