Home / 9,345,499.92-12,902,628.24-7,165,855.80

Finding the Fourth Proportional to 9,345,499.92, 12,902,628.24 and 7,165,855.80

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Solution

The fourth proportional to 9,345,499.92, 12,902,628.24 and 7,165,855.80 is: 9,893,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345,499.92 : 12,902,628.24 = 7,165,855.80 : x
  2. Step 2: Convert to fraction form
    9,345,499.92/12,902,628.24 = 7,165,855.80/x
  3. Step 3: Cross multiply
    9,345,499.92x = 12,902,628.24 × 7,165,855.80
  4. Step 4: Simplify right side
    9,345,499.92x = 92,458,373,408,847.80
  5. Step 5: Solve for x
    x = 92,458,373,408,847.80/9,345,499.92
  6. Step 6: Final answer
    x = 9,893,357.68

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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.