Home / 12,074,009.88-16,660,619.56-8,162,277.40

Finding the Fourth Proportional to 12,074,009.88, 16,660,619.56 and 8,162,277.40

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Solution

The fourth proportional to 12,074,009.88, 16,660,619.56 and 8,162,277.40 is: 11,262,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,009.88 : 16,660,619.56 = 8,162,277.40 : x
  2. Step 2: Convert to fraction form
    12,074,009.88/16,660,619.56 = 8,162,277.40/x
  3. Step 3: Cross multiply
    12,074,009.88x = 16,660,619.56 × 8,162,277.40
  4. Step 4: Simplify right side
    12,074,009.88x = 135,988,598,504,585.95
  5. Step 5: Solve for x
    x = 135,988,598,504,585.95/12,074,009.88
  6. Step 6: Final answer
    x = 11,262,919.27

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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.