Home / 7,139,883.16-9,853,209.96-3,876,835.42

Finding the Fourth Proportional to 7,139,883.16, 9,853,209.96 and 3,876,835.42

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Solution

The fourth proportional to 7,139,883.16, 9,853,209.96 and 3,876,835.42 is: 5,350,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,883.16 : 9,853,209.96 = 3,876,835.42 : x
  2. Step 2: Convert to fraction form
    7,139,883.16/9,853,209.96 = 3,876,835.42/x
  3. Step 3: Cross multiply
    7,139,883.16x = 9,853,209.96 × 3,876,835.42
  4. Step 4: Simplify right side
    7,139,883.16x = 38,199,273,324,358.73
  5. Step 5: Solve for x
    x = 38,199,273,324,358.73/7,139,883.16
  6. Step 6: Final answer
    x = 5,350,125.83

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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.