Home / 7,241,008.52-9,992,598.30-3,978,034.62

Finding the Fourth Proportional to 7,241,008.52, 9,992,598.30 and 3,978,034.62

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Solution

The fourth proportional to 7,241,008.52, 9,992,598.30 and 3,978,034.62 is: 5,489,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,008.52 : 9,992,598.30 = 3,978,034.62 : x
  2. Step 2: Convert to fraction form
    7,241,008.52/9,992,598.30 = 3,978,034.62/x
  3. Step 3: Cross multiply
    7,241,008.52x = 9,992,598.30 × 3,978,034.62
  4. Step 4: Simplify right side
    7,241,008.52x = 39,750,901,981,153.15
  5. Step 5: Solve for x
    x = 39,750,901,981,153.15/7,241,008.52
  6. Step 6: Final answer
    x = 5,489,691.37

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1.5x scale

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.