Home / 8,789,887.87-13,188,620.73-4,745,572.63

Finding the Fourth Proportional to 8,789,887.87, 13,188,620.73 and 4,745,572.63

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Solution

The fourth proportional to 8,789,887.87, 13,188,620.73 and 4,745,572.63 is: 7,120,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,887.87 : 13,188,620.73 = 4,745,572.63 : x
  2. Step 2: Convert to fraction form
    8,789,887.87/13,188,620.73 = 4,745,572.63/x
  3. Step 3: Cross multiply
    8,789,887.87x = 13,188,620.73 × 4,745,572.63
  4. Step 4: Simplify right side
    8,789,887.87x = 62,587,557,563,738.62
  5. Step 5: Solve for x
    x = 62,587,557,563,738.62/8,789,887.87
  6. Step 6: Final answer
    x = 7,120,404.55

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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.