Home / 18,100,305.15-27,151,113.83-5,322,101.55

Finding the Fourth Proportional to 18,100,305.15, 27,151,113.83 and 5,322,101.55

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Solution

The fourth proportional to 18,100,305.15, 27,151,113.83 and 5,322,101.55 is: 7,983,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100,305.15 : 27,151,113.83 = 5,322,101.55 : x
  2. Step 2: Convert to fraction form
    18,100,305.15/27,151,113.83 = 5,322,101.55/x
  3. Step 3: Cross multiply
    18,100,305.15x = 27,151,113.83 × 5,322,101.55
  4. Step 4: Simplify right side
    18,100,305.15x = 144,500,984,972,258.91
  5. Step 5: Solve for x
    x = 144,500,984,972,258.91/18,100,305.15
  6. Step 6: Final answer
    x = 7,983,345.24

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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.