Home / 18,017,761.30-27,028,116.96-5,238,250.36

Finding the Fourth Proportional to 18,017,761.30, 27,028,116.96 and 5,238,250.36

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Solution

The fourth proportional to 18,017,761.30, 27,028,116.96 and 5,238,250.36 is: 7,857,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017,761.30 : 27,028,116.96 = 5,238,250.36 : x
  2. Step 2: Convert to fraction form
    18,017,761.30/27,028,116.96 = 5,238,250.36/x
  3. Step 3: Cross multiply
    18,017,761.30x = 27,028,116.96 × 5,238,250.36
  4. Step 4: Simplify right side
    18,017,761.30x = 141,580,043,395,842.12
  5. Step 5: Solve for x
    x = 141,580,043,395,842.12/18,017,761.30
  6. Step 6: Final answer
    x = 7,857,804.37

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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.