Home / 38,852,212.40-53,614,647.54-21,448,183.92

Finding the Fourth Proportional to 38,852,212.40, 53,614,647.54 and 21,448,183.92

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Solution

The fourth proportional to 38,852,212.40, 53,614,647.54 and 21,448,183.92 is: 29,597,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852,212.40 : 53,614,647.54 = 21,448,183.92 : x
  2. Step 2: Convert to fraction form
    38,852,212.40/53,614,647.54 = 21,448,183.92/x
  3. Step 3: Cross multiply
    38,852,212.40x = 53,614,647.54 × 21,448,183.92
  4. Step 4: Simplify right side
    38,852,212.40x = 1,149,936,821,243,895.75
  5. Step 5: Solve for x
    x = 1,149,936,821,243,895.75/38,852,212.40
  6. Step 6: Final answer
    x = 29,597,717.87

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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.