Home / 21,870,107.70-32,805,161.55-15,067,662.90

Finding the Fourth Proportional to 21,870,107.70, 32,805,161.55 and 15,067,662.90

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Solution

The fourth proportional to 21,870,107.70, 32,805,161.55 and 15,067,662.90 is: 22,601,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,107.70 : 32,805,161.55 = 15,067,662.90 : x
  2. Step 2: Convert to fraction form
    21,870,107.70/32,805,161.55 = 15,067,662.90/x
  3. Step 3: Cross multiply
    21,870,107.70x = 32,805,161.55 × 15,067,662.90
  4. Step 4: Simplify right side
    21,870,107.70x = 494,297,115,615,441.50
  5. Step 5: Solve for x
    x = 494,297,115,615,441.50/21,870,107.70
  6. Step 6: Final answer
    x = 22,601,494.35

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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.