Home / 21,597,572.70-32,396,359.05-15,858,009.90

Finding the Fourth Proportional to 21,597,572.70, 32,396,359.05 and 15,858,009.90

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Solution

The fourth proportional to 21,597,572.70, 32,396,359.05 and 15,858,009.90 is: 23,787,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597,572.70 : 32,396,359.05 = 15,858,009.90 : x
  2. Step 2: Convert to fraction form
    21,597,572.70/32,396,359.05 = 15,858,009.90/x
  3. Step 3: Cross multiply
    21,597,572.70x = 32,396,359.05 × 15,858,009.90
  4. Step 4: Simplify right side
    21,597,572.70x = 513,741,782,538,854.62
  5. Step 5: Solve for x
    x = 513,741,782,538,854.62/21,597,572.70
  6. Step 6: Final answer
    x = 23,787,014.85

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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.