Home / 7,135,108.62-9,846,456.63-4,079,386.86

Finding the Fourth Proportional to 7,135,108.62, 9,846,456.63 and 4,079,386.86

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Solution

The fourth proportional to 7,135,108.62, 9,846,456.63 and 4,079,386.86 is: 5,629,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,108.62 : 9,846,456.63 = 4,079,386.86 : x
  2. Step 2: Convert to fraction form
    7,135,108.62/9,846,456.63 = 4,079,386.86/x
  3. Step 3: Cross multiply
    7,135,108.62x = 9,846,456.63 × 4,079,386.86
  4. Step 4: Simplify right side
    7,135,108.62x = 40,167,505,793,981.88
  5. Step 5: Solve for x
    x = 40,167,505,793,981.88/7,135,108.62
  6. Step 6: Final answer
    x = 5,629,557.72

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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.