Home / 54,938,874.72-82,407,473.64-18,572,811.12

Finding the Fourth Proportional to 54,938,874.72, 82,407,473.64 and 18,572,811.12

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Solution

The fourth proportional to 54,938,874.72, 82,407,473.64 and 18,572,811.12 is: 27,858,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,938,874.72 : 82,407,473.64 = 18,572,811.12 : x
  2. Step 2: Convert to fraction form
    54,938,874.72/82,407,473.64 = 18,572,811.12/x
  3. Step 3: Cross multiply
    54,938,874.72x = 82,407,473.64 × 18,572,811.12
  4. Step 4: Simplify right side
    54,938,874.72x = 1,530,538,442,792,099
  5. Step 5: Solve for x
    x = 1,530,538,442,792,099/54,938,874.72
  6. Step 6: Final answer
    x = 27,858,933.23

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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.