Home / 18,005,282.87-27,010,995.82-6,645,791.03

Finding the Fourth Proportional to 18,005,282.87, 27,010,995.82 and 6,645,791.03

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Solution

The fourth proportional to 18,005,282.87, 27,010,995.82 and 6,645,791.03 is: 9,969,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005,282.87 : 27,010,995.82 = 6,645,791.03 : x
  2. Step 2: Convert to fraction form
    18,005,282.87/27,010,995.82 = 6,645,791.03/x
  3. Step 3: Cross multiply
    18,005,282.87x = 27,010,995.82 × 6,645,791.03
  4. Step 4: Simplify right side
    18,005,282.87x = 179,509,433,580,254.03
  5. Step 5: Solve for x
    x = 179,509,433,580,254.03/18,005,282.87
  6. Step 6: Final answer
    x = 9,969,820.24

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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.