Home / 18,336,221.61-25,298,467.64-10,991,374.85

Finding the Fourth Proportional to 18,336,221.61, 25,298,467.64 and 10,991,374.85

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Solution

The fourth proportional to 18,336,221.61, 25,298,467.64 and 10,991,374.85 is: 15,164,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336,221.61 : 25,298,467.64 = 10,991,374.85 : x
  2. Step 2: Convert to fraction form
    18,336,221.61/25,298,467.64 = 10,991,374.85/x
  3. Step 3: Cross multiply
    18,336,221.61x = 25,298,467.64 × 10,991,374.85
  4. Step 4: Simplify right side
    18,336,221.61x = 278,064,940,780,385.69
  5. Step 5: Solve for x
    x = 278,064,940,780,385.69/18,336,221.61
  6. Step 6: Final answer
    x = 15,164,789.49

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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.