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Finding the Fourth Proportional to 16,446,695.47, 22,696,619.24 and 9,104,651.21

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Solution

The fourth proportional to 16,446,695.47, 22,696,619.24 and 9,104,651.21 is: 12,564,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,446,695.47 : 22,696,619.24 = 9,104,651.21 : x
  2. Step 2: Convert to fraction form
    16,446,695.47/22,696,619.24 = 9,104,651.21/x
  3. Step 3: Cross multiply
    16,446,695.47x = 22,696,619.24 × 9,104,651.21
  4. Step 4: Simplify right side
    16,446,695.47x = 206,644,801,826,375.28
  5. Step 5: Solve for x
    x = 206,644,801,826,375.28/16,446,695.47
  6. Step 6: Final answer
    x = 12,564,518.03

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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.