Home / 20,245,083.25-27,938,214.90-11,077,726

Finding the Fourth Proportional to 20,245,083.25, 27,938,214.90 and 11,077,726

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Solution

The fourth proportional to 20,245,083.25, 27,938,214.90 and 11,077,726 is: 15,287,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245,083.25 : 27,938,214.90 = 11,077,726 : x
  2. Step 2: Convert to fraction form
    20,245,083.25/27,938,214.90 = 11,077,726/x
  3. Step 3: Cross multiply
    20,245,083.25x = 27,938,214.90 × 11,077,726
  4. Step 4: Simplify right side
    20,245,083.25x = 309,491,889,591,317.38
  5. Step 5: Solve for x
    x = 309,491,889,591,317.38/20,245,083.25
  6. Step 6: Final answer
    x = 15,287,261.89

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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.