Home / 12,702,391.20-19,091,380.32-5,975,529.12

Finding the Fourth Proportional to 12,702,391.20, 19,091,380.32 and 5,975,529.12

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Solution

The fourth proportional to 12,702,391.20, 19,091,380.32 and 5,975,529.12 is: 8,981,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702,391.20 : 19,091,380.32 = 5,975,529.12 : x
  2. Step 2: Convert to fraction form
    12,702,391.20/19,091,380.32 = 5,975,529.12/x
  3. Step 3: Cross multiply
    12,702,391.20x = 19,091,380.32 × 5,975,529.12
  4. Step 4: Simplify right side
    12,702,391.20x = 114,081,099,043,154.92
  5. Step 5: Solve for x
    x = 114,081,099,043,154.92/12,702,391.20
  6. Step 6: Final answer
    x = 8,981,072.72

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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.