Home / 38,200,913.56-52,717,579.68-20,797,379.92

Finding the Fourth Proportional to 38,200,913.56, 52,717,579.68 and 20,797,379.92

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Solution

The fourth proportional to 38,200,913.56, 52,717,579.68 and 20,797,379.92 is: 28,700,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200,913.56 : 52,717,579.68 = 20,797,379.92 : x
  2. Step 2: Convert to fraction form
    38,200,913.56/52,717,579.68 = 20,797,379.92/x
  3. Step 3: Cross multiply
    38,200,913.56x = 52,717,579.68 × 20,797,379.92
  4. Step 4: Simplify right side
    38,200,913.56x = 1,096,387,533,067,832.12
  5. Step 5: Solve for x
    x = 1,096,387,533,067,832.12/38,200,913.56
  6. Step 6: Final answer
    x = 28,700,557.94

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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.