Home / 15,365,672.57-21,204,372.03-8,396,197.02

Finding the Fourth Proportional to 15,365,672.57, 21,204,372.03 and 8,396,197.02

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Solution

The fourth proportional to 15,365,672.57, 21,204,372.03 and 8,396,197.02 is: 11,586,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,672.57 : 21,204,372.03 = 8,396,197.02 : x
  2. Step 2: Convert to fraction form
    15,365,672.57/21,204,372.03 = 8,396,197.02/x
  3. Step 3: Cross multiply
    15,365,672.57x = 21,204,372.03 × 8,396,197.02
  4. Step 4: Simplify right side
    15,365,672.57x = 178,036,085,134,217.12
  5. Step 5: Solve for x
    x = 178,036,085,134,217.12/15,365,672.57
  6. Step 6: Final answer
    x = 11,586,611.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.