Home / 12,188,339.76-18,277,194.71-4,609,991.10

Finding the Fourth Proportional to 12,188,339.76, 18,277,194.71 and 4,609,991.10

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Solution

The fourth proportional to 12,188,339.76, 18,277,194.71 and 4,609,991.10 is: 6,912,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,339.76 : 18,277,194.71 = 4,609,991.10 : x
  2. Step 2: Convert to fraction form
    12,188,339.76/18,277,194.71 = 4,609,991.10/x
  3. Step 3: Cross multiply
    12,188,339.76x = 18,277,194.71 × 4,609,991.10
  4. Step 4: Simplify right side
    12,188,339.76x = 84,257,704,923,017.11
  5. Step 5: Solve for x
    x = 84,257,704,923,017.11/12,188,339.76
  6. Step 6: Final answer
    x = 6,912,976.38

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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.