Home / 15,069,056.78-20,795,153.82-8,193,540.26

Finding the Fourth Proportional to 15,069,056.78, 20,795,153.82 and 8,193,540.26

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Solution

The fourth proportional to 15,069,056.78, 20,795,153.82 and 8,193,540.26 is: 11,307,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069,056.78 : 20,795,153.82 = 8,193,540.26 : x
  2. Step 2: Convert to fraction form
    15,069,056.78/20,795,153.82 = 8,193,540.26/x
  3. Step 3: Cross multiply
    15,069,056.78x = 20,795,153.82 × 8,193,540.26
  4. Step 4: Simplify right side
    15,069,056.78x = 170,385,930,037,062.78
  5. Step 5: Solve for x
    x = 170,385,930,037,062.78/15,069,056.78
  6. Step 6: Final answer
    x = 11,307,006.97

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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.