Home / 38,654,645.23-57,855,798.27-28,416,794.59

Finding the Fourth Proportional to 38,654,645.23, 57,855,798.27 and 28,416,794.59

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Solution

The fourth proportional to 38,654,645.23, 57,855,798.27 and 28,416,794.59 is: 42,532,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,654,645.23 : 57,855,798.27 = 28,416,794.59 : x
  2. Step 2: Convert to fraction form
    38,654,645.23/57,855,798.27 = 28,416,794.59/x
  3. Step 3: Cross multiply
    38,654,645.23x = 57,855,798.27 × 28,416,794.59
  4. Step 4: Simplify right side
    38,654,645.23x = 1,644,076,335,279,067.50
  5. Step 5: Solve for x
    x = 1,644,076,335,279,067.50/38,654,645.23
  6. Step 6: Final answer
    x = 42,532,438.87

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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.