Home / 21,527,288.20-32,290,932.30-15,858,584.20

Finding the Fourth Proportional to 21,527,288.20, 32,290,932.30 and 15,858,584.20

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Solution

The fourth proportional to 21,527,288.20, 32,290,932.30 and 15,858,584.20 is: 23,787,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527,288.20 : 32,290,932.30 = 15,858,584.20 : x
  2. Step 2: Convert to fraction form
    21,527,288.20/32,290,932.30 = 15,858,584.20/x
  3. Step 3: Cross multiply
    21,527,288.20x = 32,290,932.30 × 15,858,584.20
  4. Step 4: Simplify right side
    21,527,288.20x = 512,088,468,776,049.62
  5. Step 5: Solve for x
    x = 512,088,468,776,049.62/21,527,288.20
  6. Step 6: Final answer
    x = 23,787,876.30

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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.