Home / 8,478,469.45-11,702,922.33-6,739,224.94

Finding the Fourth Proportional to 8,478,469.45, 11,702,922.33 and 6,739,224.94

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Solution

The fourth proportional to 8,478,469.45, 11,702,922.33 and 6,739,224.94 is: 9,302,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,469.45 : 11,702,922.33 = 6,739,224.94 : x
  2. Step 2: Convert to fraction form
    8,478,469.45/11,702,922.33 = 6,739,224.94/x
  3. Step 3: Cross multiply
    8,478,469.45x = 11,702,922.33 × 6,739,224.94
  4. Step 4: Simplify right side
    8,478,469.45x = 78,868,626,037,218.92
  5. Step 5: Solve for x
    x = 78,868,626,037,218.92/8,478,469.45
  6. Step 6: Final answer
    x = 9,302,224.48

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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.