Home / 38,661,704.52-53,351,786.52-21,257,927.88

Finding the Fourth Proportional to 38,661,704.52, 53,351,786.52 and 21,257,927.88

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Solution

The fourth proportional to 38,661,704.52, 53,351,786.52 and 21,257,927.88 is: 29,335,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661,704.52 : 53,351,786.52 = 21,257,927.88 : x
  2. Step 2: Convert to fraction form
    38,661,704.52/53,351,786.52 = 21,257,927.88/x
  3. Step 3: Cross multiply
    38,661,704.52x = 53,351,786.52 × 21,257,927.88
  4. Step 4: Simplify right side
    38,661,704.52x = 1,134,148,430,111,316.25
  5. Step 5: Solve for x
    x = 1,134,148,430,111,316.25/38,661,704.52
  6. Step 6: Final answer
    x = 29,335,189.54

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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.