Home / 12,192,439.20-18,252,782.76-8,138,873.04

Finding the Fourth Proportional to 12,192,439.20, 18,252,782.76 and 8,138,873.04

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Solution

The fourth proportional to 12,192,439.20, 18,252,782.76 and 8,138,873.04 is: 12,184,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192,439.20 : 18,252,782.76 = 8,138,873.04 : x
  2. Step 2: Convert to fraction form
    12,192,439.20/18,252,782.76 = 8,138,873.04/x
  3. Step 3: Cross multiply
    12,192,439.20x = 18,252,782.76 × 8,138,873.04
  4. Step 4: Simplify right side
    12,192,439.20x = 148,557,081,510,340.81
  5. Step 5: Solve for x
    x = 148,557,081,510,340.81/12,192,439.20
  6. Step 6: Final answer
    x = 12,184,361.07

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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.