Home / 18,320,629.28-27,486,262.67-7,385,175.43

Finding the Fourth Proportional to 18,320,629.28, 27,486,262.67 and 7,385,175.43

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Solution

The fourth proportional to 18,320,629.28, 27,486,262.67 and 7,385,175.43 is: 11,079,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320,629.28 : 27,486,262.67 = 7,385,175.43 : x
  2. Step 2: Convert to fraction form
    18,320,629.28/27,486,262.67 = 7,385,175.43/x
  3. Step 3: Cross multiply
    18,320,629.28x = 27,486,262.67 × 7,385,175.43
  4. Step 4: Simplify right side
    18,320,629.28x = 202,990,871,627,368.66
  5. Step 5: Solve for x
    x = 202,990,871,627,368.66/18,320,629.28
  6. Step 6: Final answer
    x = 11,079,907.17

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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.