Home / 19,121,761.20-26,387,884.36-10,419,906.90

Finding the Fourth Proportional to 19,121,761.20, 26,387,884.36 and 10,419,906.90

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Solution

The fourth proportional to 19,121,761.20, 26,387,884.36 and 10,419,906.90 is: 14,379,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,761.20 : 26,387,884.36 = 10,419,906.90 : x
  2. Step 2: Convert to fraction form
    19,121,761.20/26,387,884.36 = 10,419,906.90/x
  3. Step 3: Cross multiply
    19,121,761.20x = 26,387,884.36 × 10,419,906.90
  4. Step 4: Simplify right side
    19,121,761.20x = 274,959,298,319,166.09
  5. Step 5: Solve for x
    x = 274,959,298,319,166.09/19,121,761.20
  6. Step 6: Final answer
    x = 14,379,391.91

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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.