Home / 20,581,261.56-30,875,249.37-8,447,468.43

Finding the Fourth Proportional to 20,581,261.56, 30,875,249.37 and 8,447,468.43

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Solution

The fourth proportional to 20,581,261.56, 30,875,249.37 and 8,447,468.43 is: 12,672,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,261.56 : 30,875,249.37 = 8,447,468.43 : x
  2. Step 2: Convert to fraction form
    20,581,261.56/30,875,249.37 = 8,447,468.43/x
  3. Step 3: Cross multiply
    20,581,261.56x = 30,875,249.37 × 8,447,468.43
  4. Step 4: Simplify right side
    20,581,261.56x = 260,817,694,321,452.38
  5. Step 5: Solve for x
    x = 260,817,694,321,452.38/20,581,261.56
  6. Step 6: Final answer
    x = 12,672,580.52

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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.