Home / 19,859,974-27,407,610.78-11,158,163.44

Finding the Fourth Proportional to 19,859,974, 27,407,610.78 and 11,158,163.44

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Solution

The fourth proportional to 19,859,974, 27,407,610.78 and 11,158,163.44 is: 15,398,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,974 : 27,407,610.78 = 11,158,163.44 : x
  2. Step 2: Convert to fraction form
    19,859,974/27,407,610.78 = 11,158,163.44/x
  3. Step 3: Cross multiply
    19,859,974x = 27,407,610.78 × 11,158,163.44
  4. Step 4: Simplify right side
    19,859,974x = 305,818,600,583,145.88
  5. Step 5: Solve for x
    x = 305,818,600,583,145.88/19,859,974
  6. Step 6: Final answer
    x = 15,398,741.24

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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.