Home / 18,185,471.28-27,282,697.08-5,405,921.04

Finding the Fourth Proportional to 18,185,471.28, 27,282,697.08 and 5,405,921.04

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Solution

The fourth proportional to 18,185,471.28, 27,282,697.08 and 5,405,921.04 is: 8,110,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185,471.28 : 27,282,697.08 = 5,405,921.04 : x
  2. Step 2: Convert to fraction form
    18,185,471.28/27,282,697.08 = 5,405,921.04/x
  3. Step 3: Cross multiply
    18,185,471.28x = 27,282,697.08 × 5,405,921.04
  4. Step 4: Simplify right side
    18,185,471.28x = 147,488,106,172,718.56
  5. Step 5: Solve for x
    x = 147,488,106,172,718.56/18,185,471.28
  6. Step 6: Final answer
    x = 8,110,216.33

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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.