Home / 38,653,144.20-57,986,714.70-19,435,537.80

Finding the Fourth Proportional to 38,653,144.20, 57,986,714.70 and 19,435,537.80

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Solution

The fourth proportional to 38,653,144.20, 57,986,714.70 and 19,435,537.80 is: 29,156,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653,144.20 : 57,986,714.70 = 19,435,537.80 : x
  2. Step 2: Convert to fraction form
    38,653,144.20/57,986,714.70 = 19,435,537.80/x
  3. Step 3: Cross multiply
    38,653,144.20x = 57,986,714.70 × 19,435,537.80
  4. Step 4: Simplify right side
    38,653,144.20x = 1,127,002,985,449,665.75
  5. Step 5: Solve for x
    x = 1,127,002,985,449,665.75/38,653,144.20
  6. Step 6: Final answer
    x = 29,156,825.63

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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.