Home / 5,981,861.70-8,972,792.55-5,320,512.90

Finding the Fourth Proportional to 5,981,861.70, 8,972,792.55 and 5,320,512.90

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Solution

The fourth proportional to 5,981,861.70, 8,972,792.55 and 5,320,512.90 is: 7,980,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981,861.70 : 8,972,792.55 = 5,320,512.90 : x
  2. Step 2: Convert to fraction form
    5,981,861.70/8,972,792.55 = 5,320,512.90/x
  3. Step 3: Cross multiply
    5,981,861.70x = 8,972,792.55 × 5,320,512.90
  4. Step 4: Simplify right side
    5,981,861.70x = 47,739,858,511,298.90
  5. Step 5: Solve for x
    x = 47,739,858,511,298.90/5,981,861.70
  6. Step 6: Final answer
    x = 7,980,769.35

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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.