Home / 7,117,019.72-9,821,534.19-3,853,834.34

Finding the Fourth Proportional to 7,117,019.72, 9,821,534.19 and 3,853,834.34

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Solution

The fourth proportional to 7,117,019.72, 9,821,534.19 and 3,853,834.34 is: 5,318,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,019.72 : 9,821,534.19 = 3,853,834.34 : x
  2. Step 2: Convert to fraction form
    7,117,019.72/9,821,534.19 = 3,853,834.34/x
  3. Step 3: Cross multiply
    7,117,019.72x = 9,821,534.19 × 3,853,834.34
  4. Step 4: Simplify right side
    7,117,019.72x = 37,850,565,732,906.08
  5. Step 5: Solve for x
    x = 37,850,565,732,906.08/7,117,019.72
  6. Step 6: Final answer
    x = 5,318,316.83

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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.