Home / 38,238,845.88-52,769,614.89-20,835,191.10

Finding the Fourth Proportional to 38,238,845.88, 52,769,614.89 and 20,835,191.10

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Solution

The fourth proportional to 38,238,845.88, 52,769,614.89 and 20,835,191.10 is: 28,752,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,845.88 : 52,769,614.89 = 20,835,191.10 : x
  2. Step 2: Convert to fraction form
    38,238,845.88/52,769,614.89 = 20,835,191.10/x
  3. Step 3: Cross multiply
    38,238,845.88x = 52,769,614.89 × 20,835,191.10
  4. Step 4: Simplify right side
    38,238,845.88x = 1,099,465,010,506,555.62
  5. Step 5: Solve for x
    x = 1,099,465,010,506,555.62/38,238,845.88
  6. Step 6: Final answer
    x = 28,752,567.85

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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.