Home / 5,328,961.20-7,993,441.80-4,972,042.80

Finding the Fourth Proportional to 5,328,961.20, 7,993,441.80 and 4,972,042.80

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Solution

The fourth proportional to 5,328,961.20, 7,993,441.80 and 4,972,042.80 is: 7,458,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,961.20 : 7,993,441.80 = 4,972,042.80 : x
  2. Step 2: Convert to fraction form
    5,328,961.20/7,993,441.80 = 4,972,042.80/x
  3. Step 3: Cross multiply
    5,328,961.20x = 7,993,441.80 × 4,972,042.80
  4. Step 4: Simplify right side
    5,328,961.20x = 39,743,734,748,909.04
  5. Step 5: Solve for x
    x = 39,743,734,748,909.04/5,328,961.20
  6. Step 6: Final answer
    x = 7,458,064.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.