Home / 7,520,798.30-11,278,318.41-3,200,145.89

Finding the Fourth Proportional to 7,520,798.30, 11,278,318.41 and 3,200,145.89

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Solution

The fourth proportional to 7,520,798.30, 11,278,318.41 and 3,200,145.89 is: 4,798,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520,798.30 : 11,278,318.41 = 3,200,145.89 : x
  2. Step 2: Convert to fraction form
    7,520,798.30/11,278,318.41 = 3,200,145.89/x
  3. Step 3: Cross multiply
    7,520,798.30x = 11,278,318.41 × 3,200,145.89
  4. Step 4: Simplify right side
    7,520,798.30x = 36,092,264,249,481.24
  5. Step 5: Solve for x
    x = 36,092,264,249,481.24/7,520,798.30
  6. Step 6: Final answer
    x = 4,798,993.78

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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.