Home / 14,997,414.62-20,696,329.17-8,121,739.34

Finding the Fourth Proportional to 14,997,414.62, 20,696,329.17 and 8,121,739.34

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Solution

The fourth proportional to 14,997,414.62, 20,696,329.17 and 8,121,739.34 is: 11,207,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,414.62 : 20,696,329.17 = 8,121,739.34 : x
  2. Step 2: Convert to fraction form
    14,997,414.62/20,696,329.17 = 8,121,739.34/x
  3. Step 3: Cross multiply
    14,997,414.62x = 20,696,329.17 × 8,121,739.34
  4. Step 4: Simplify right side
    14,997,414.62x = 168,090,190,813,578.56
  5. Step 5: Solve for x
    x = 168,090,190,813,578.56/14,997,414.62
  6. Step 6: Final answer
    x = 11,207,944.51

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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.