Home / 20,656,331.56-30,918,245.82-11,047,683.88

Finding the Fourth Proportional to 20,656,331.56, 30,918,245.82 and 11,047,683.88

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Solution

The fourth proportional to 20,656,331.56, 30,918,245.82 and 11,047,683.88 is: 16,536,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,331.56 : 30,918,245.82 = 11,047,683.88 : x
  2. Step 2: Convert to fraction form
    20,656,331.56/30,918,245.82 = 11,047,683.88/x
  3. Step 3: Cross multiply
    20,656,331.56x = 30,918,245.82 × 11,047,683.88
  4. Step 4: Simplify right side
    20,656,331.56x = 341,575,005,943,491.44
  5. Step 5: Solve for x
    x = 341,575,005,943,491.44/20,656,331.56
  6. Step 6: Final answer
    x = 16,536,092.33

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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.