Home / 7,135,109.62-9,846,458.01-4,079,387.86

Finding the Fourth Proportional to 7,135,109.62, 9,846,458.01 and 4,079,387.86

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Solution

The fourth proportional to 7,135,109.62, 9,846,458.01 and 4,079,387.86 is: 5,629,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,109.62 : 9,846,458.01 = 4,079,387.86 : x
  2. Step 2: Convert to fraction form
    7,135,109.62/9,846,458.01 = 4,079,387.86/x
  3. Step 3: Cross multiply
    7,135,109.62x = 9,846,458.01 × 4,079,387.86
  4. Step 4: Simplify right side
    7,135,109.62x = 40,167,521,269,993.76
  5. Step 5: Solve for x
    x = 40,167,521,269,993.76/7,135,109.62
  6. Step 6: Final answer
    x = 5,629,559.10

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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.