Home / 7,117,020.72-9,821,535.57-3,853,835.34

Finding the Fourth Proportional to 7,117,020.72, 9,821,535.57 and 3,853,835.34

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Solution

The fourth proportional to 7,117,020.72, 9,821,535.57 and 3,853,835.34 is: 5,318,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,020.72 : 9,821,535.57 = 3,853,835.34 : x
  2. Step 2: Convert to fraction form
    7,117,020.72/9,821,535.57 = 3,853,835.34/x
  3. Step 3: Cross multiply
    7,117,020.72x = 9,821,535.57 × 3,853,835.34
  4. Step 4: Simplify right side
    7,117,020.72x = 37,850,580,872,733.05
  5. Step 5: Solve for x
    x = 37,850,580,872,733.05/7,117,020.72
  6. Step 6: Final answer
    x = 5,318,318.21

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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.