Home / 9,320,982.62-12,863,355.09-5,191,013.75

Finding the Fourth Proportional to 9,320,982.62, 12,863,355.09 and 5,191,013.75

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Solution

The fourth proportional to 9,320,982.62, 12,863,355.09 and 5,191,013.75 is: 7,163,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,982.62 : 12,863,355.09 = 5,191,013.75 : x
  2. Step 2: Convert to fraction form
    9,320,982.62/12,863,355.09 = 5,191,013.75/x
  3. Step 3: Cross multiply
    9,320,982.62x = 12,863,355.09 × 5,191,013.75
  4. Step 4: Simplify right side
    9,320,982.62x = 66,773,853,079,005.71
  5. Step 5: Solve for x
    x = 66,773,853,079,005.71/9,320,982.62
  6. Step 6: Final answer
    x = 7,163,821.22

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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.