Home / 6,145,749.12-8,481,135.43-3,392,438.22

Finding the Fourth Proportional to 6,145,749.12, 8,481,135.43 and 3,392,438.22

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Solution

The fourth proportional to 6,145,749.12, 8,481,135.43 and 3,392,438.22 is: 4,681,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,749.12 : 8,481,135.43 = 3,392,438.22 : x
  2. Step 2: Convert to fraction form
    6,145,749.12/8,481,135.43 = 3,392,438.22/x
  3. Step 3: Cross multiply
    6,145,749.12x = 8,481,135.43 × 3,392,438.22
  4. Step 4: Simplify right side
    6,145,749.12x = 28,771,727,981,728.14
  5. Step 5: Solve for x
    x = 28,771,727,981,728.14/6,145,749.12
  6. Step 6: Final answer
    x = 4,681,565.66

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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.