Home / 7,121,582.82-10,665,305.34-3,654,197.82

Finding the Fourth Proportional to 7,121,582.82, 10,665,305.34 and 3,654,197.82

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Solution

The fourth proportional to 7,121,582.82, 10,665,305.34 and 3,654,197.82 is: 5,472,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,582.82 : 10,665,305.34 = 3,654,197.82 : x
  2. Step 2: Convert to fraction form
    7,121,582.82/10,665,305.34 = 3,654,197.82/x
  3. Step 3: Cross multiply
    7,121,582.82x = 10,665,305.34 × 3,654,197.82
  4. Step 4: Simplify right side
    7,121,582.82x = 38,973,135,523,062.36
  5. Step 5: Solve for x
    x = 38,973,135,523,062.36/7,121,582.82
  6. Step 6: Final answer
    x = 5,472,538.41

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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.