Home / 21,870,109.20-32,805,163.80-15,067,664.40

Finding the Fourth Proportional to 21,870,109.20, 32,805,163.80 and 15,067,664.40

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Solution

The fourth proportional to 21,870,109.20, 32,805,163.80 and 15,067,664.40 is: 22,601,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,109.20 : 32,805,163.80 = 15,067,664.40 : x
  2. Step 2: Convert to fraction form
    21,870,109.20/32,805,163.80 = 15,067,664.40/x
  3. Step 3: Cross multiply
    21,870,109.20x = 32,805,163.80 × 15,067,664.40
  4. Step 4: Simplify right side
    21,870,109.20x = 494,297,198,725,428.75
  5. Step 5: Solve for x
    x = 494,297,198,725,428.75/21,870,109.20
  6. Step 6: Final answer
    x = 22,601,496.60

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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.