Home / 12,298,231.35-18,458,540.69-6,545,793.87

Finding the Fourth Proportional to 12,298,231.35, 18,458,540.69 and 6,545,793.87

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Solution

The fourth proportional to 12,298,231.35, 18,458,540.69 and 6,545,793.87 is: 9,824,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,231.35 : 18,458,540.69 = 6,545,793.87 : x
  2. Step 2: Convert to fraction form
    12,298,231.35/18,458,540.69 = 6,545,793.87/x
  3. Step 3: Cross multiply
    12,298,231.35x = 18,458,540.69 × 6,545,793.87
  4. Step 4: Simplify right side
    12,298,231.35x = 120,825,802,465,018.59
  5. Step 5: Solve for x
    x = 120,825,802,465,018.59/12,298,231.35
  6. Step 6: Final answer
    x = 9,824,648.69

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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.