Home / 18,190,367.70-27,285,551.55-10,915,530.90

Finding the Fourth Proportional to 18,190,367.70, 27,285,551.55 and 10,915,530.90

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Solution

The fourth proportional to 18,190,367.70, 27,285,551.55 and 10,915,530.90 is: 16,373,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,367.70 : 27,285,551.55 = 10,915,530.90 : x
  2. Step 2: Convert to fraction form
    18,190,367.70/27,285,551.55 = 10,915,530.90/x
  3. Step 3: Cross multiply
    18,190,367.70x = 27,285,551.55 × 10,915,530.90
  4. Step 4: Simplify right side
    18,190,367.70x = 297,836,281,067,567.94
  5. Step 5: Solve for x
    x = 297,836,281,067,567.94/18,190,367.70
  6. Step 6: Final answer
    x = 16,373,296.35

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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.