Home / 13,922,347.27-20,904,021.12-7,786,350.74

Finding the Fourth Proportional to 13,922,347.27, 20,904,021.12 and 7,786,350.74

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Solution

The fourth proportional to 13,922,347.27, 20,904,021.12 and 7,786,350.74 is: 11,690,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,347.27 : 20,904,021.12 = 7,786,350.74 : x
  2. Step 2: Convert to fraction form
    13,922,347.27/20,904,021.12 = 7,786,350.74/x
  3. Step 3: Cross multiply
    13,922,347.27x = 20,904,021.12 × 7,786,350.74
  4. Step 4: Simplify right side
    13,922,347.27x = 162,766,040,316,687.66
  5. Step 5: Solve for x
    x = 162,766,040,316,687.66/13,922,347.27
  6. Step 6: Final answer
    x = 11,690,991.26

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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.