Home / 7,197,784.20-9,932,942.94-3,934,612.24

Finding the Fourth Proportional to 7,197,784.20, 9,932,942.94 and 3,934,612.24

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Solution

The fourth proportional to 7,197,784.20, 9,932,942.94 and 3,934,612.24 is: 5,429,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197,784.20 : 9,932,942.94 = 3,934,612.24 : x
  2. Step 2: Convert to fraction form
    7,197,784.20/9,932,942.94 = 3,934,612.24/x
  3. Step 3: Cross multiply
    7,197,784.20x = 9,932,942.94 × 3,934,612.24
  4. Step 4: Simplify right side
    7,197,784.20x = 39,082,278,870,945.59
  5. Step 5: Solve for x
    x = 39,082,278,870,945.59/7,197,784.20
  6. Step 6: Final answer
    x = 5,429,765.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.