Home / 12,298,146.55-18,458,414.16-6,545,709.61

Finding the Fourth Proportional to 12,298,146.55, 18,458,414.16 and 6,545,709.61

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Solution

The fourth proportional to 12,298,146.55, 18,458,414.16 and 6,545,709.61 is: 9,824,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,146.55 : 18,458,414.16 = 6,545,709.61 : x
  2. Step 2: Convert to fraction form
    12,298,146.55/18,458,414.16 = 6,545,709.61/x
  3. Step 3: Cross multiply
    12,298,146.55x = 18,458,414.16 × 6,545,709.61
  4. Step 4: Simplify right side
    12,298,146.55x = 120,823,418,952,472.08
  5. Step 5: Solve for x
    x = 120,823,418,952,472.08/12,298,146.55
  6. Step 6: Final answer
    x = 9,824,522.62

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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.