Home / 18,530,652.91-25,573,749.57-11,921,143.63

Finding the Fourth Proportional to 18,530,652.91, 25,573,749.57 and 11,921,143.63

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Solution

The fourth proportional to 18,530,652.91, 25,573,749.57 and 11,921,143.63 is: 16,452,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530,652.91 : 25,573,749.57 = 11,921,143.63 : x
  2. Step 2: Convert to fraction form
    18,530,652.91/25,573,749.57 = 11,921,143.63/x
  3. Step 3: Cross multiply
    18,530,652.91x = 25,573,749.57 × 11,921,143.63
  4. Step 4: Simplify right side
    18,530,652.91x = 304,868,341,781,620.75
  5. Step 5: Solve for x
    x = 304,868,341,781,620.75/18,530,652.91
  6. Step 6: Final answer
    x = 16,452,110.09

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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.