Home / 12,298,234.35-18,458,545.20-6,545,796.87

Finding the Fourth Proportional to 12,298,234.35, 18,458,545.20 and 6,545,796.87

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Solution

The fourth proportional to 12,298,234.35, 18,458,545.20 and 6,545,796.87 is: 9,824,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,234.35 : 18,458,545.20 = 6,545,796.87 : x
  2. Step 2: Convert to fraction form
    12,298,234.35/18,458,545.20 = 6,545,796.87/x
  3. Step 3: Cross multiply
    12,298,234.35x = 18,458,545.20 × 6,545,796.87
  4. Step 4: Simplify right side
    12,298,234.35x = 120,825,887,394,913.52
  5. Step 5: Solve for x
    x = 120,825,887,394,913.52/12,298,234.35
  6. Step 6: Final answer
    x = 9,824,653.19

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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.