Home / 18,409,917.88-27,615,015.19-8,172,025.32

Finding the Fourth Proportional to 18,409,917.88, 27,615,015.19 and 8,172,025.32

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Solution

The fourth proportional to 18,409,917.88, 27,615,015.19 and 8,172,025.32 is: 12,258,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,917.88 : 27,615,015.19 = 8,172,025.32 : x
  2. Step 2: Convert to fraction form
    18,409,917.88/27,615,015.19 = 8,172,025.32/x
  3. Step 3: Cross multiply
    18,409,917.88x = 27,615,015.19 × 8,172,025.32
  4. Step 4: Simplify right side
    18,409,917.88x = 225,670,603,304,004.47
  5. Step 5: Solve for x
    x = 225,670,603,304,004.47/18,409,917.88
  6. Step 6: Final answer
    x = 12,258,099.40

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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.