Home / 7,530,348.20-10,391,961-4,092,589.40

Finding the Fourth Proportional to 7,530,348.20, 10,391,961 and 4,092,589.40

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Solution

The fourth proportional to 7,530,348.20, 10,391,961 and 4,092,589.40 is: 5,647,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530,348.20 : 10,391,961 = 4,092,589.40 : x
  2. Step 2: Convert to fraction form
    7,530,348.20/10,391,961 = 4,092,589.40/x
  3. Step 3: Cross multiply
    7,530,348.20x = 10,391,961 × 4,092,589.40
  4. Step 4: Simplify right side
    7,530,348.20x = 42,530,029,433,813.40
  5. Step 5: Solve for x
    x = 42,530,029,433,813.40/7,530,348.20
  6. Step 6: Final answer
    x = 5,647,817.11

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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.