Home / 13,774,787.76-20,665,170.97-4,189,917.16

Finding the Fourth Proportional to 13,774,787.76, 20,665,170.97 and 4,189,917.16

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Solution

The fourth proportional to 13,774,787.76, 20,665,170.97 and 4,189,917.16 is: 6,285,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,787.76 : 20,665,170.97 = 4,189,917.16 : x
  2. Step 2: Convert to fraction form
    13,774,787.76/20,665,170.97 = 4,189,917.16/x
  3. Step 3: Cross multiply
    13,774,787.76x = 20,665,170.97 × 4,189,917.16
  4. Step 4: Simplify right side
    13,774,787.76x = 86,585,354,399,399.14
  5. Step 5: Solve for x
    x = 86,585,354,399,399.14/13,774,787.76
  6. Step 6: Final answer
    x = 6,285,785.01

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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.