Home / 13,403,009.21-20,101,192.31-3,818,470.77

Finding the Fourth Proportional to 13,403,009.21, 20,101,192.31 and 3,818,470.77

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Solution

The fourth proportional to 13,403,009.21, 20,101,192.31 and 3,818,470.77 is: 5,726,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403,009.21 : 20,101,192.31 = 3,818,470.77 : x
  2. Step 2: Convert to fraction form
    13,403,009.21/20,101,192.31 = 3,818,470.77/x
  3. Step 3: Cross multiply
    13,403,009.21x = 20,101,192.31 × 3,818,470.77
  4. Step 4: Simplify right side
    13,403,009.21x = 76,755,815,258,791.42
  5. Step 5: Solve for x
    x = 76,755,815,258,791.42/13,403,009.21
  6. Step 6: Final answer
    x = 5,726,759.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.