Home / 20,245,080.25-27,938,210.75-11,077,723

Finding the Fourth Proportional to 20,245,080.25, 27,938,210.75 and 11,077,723

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Solution

The fourth proportional to 20,245,080.25, 27,938,210.75 and 11,077,723 is: 15,287,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245,080.25 : 27,938,210.75 = 11,077,723 : x
  2. Step 2: Convert to fraction form
    20,245,080.25/27,938,210.75 = 11,077,723/x
  3. Step 3: Cross multiply
    20,245,080.25x = 27,938,210.75 × 11,077,723
  4. Step 4: Simplify right side
    20,245,080.25x = 309,491,759,804,122.25
  5. Step 5: Solve for x
    x = 309,491,759,804,122.25/20,245,080.25
  6. Step 6: Final answer
    x = 15,287,257.74

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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.