Home / 8,790,661.05-13,190,487.92-4,184,851.35

Finding the Fourth Proportional to 8,790,661.05, 13,190,487.92 and 4,184,851.35

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Solution

The fourth proportional to 8,790,661.05, 13,190,487.92 and 4,184,851.35 is: 6,279,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790,661.05 : 13,190,487.92 = 4,184,851.35 : x
  2. Step 2: Convert to fraction form
    8,790,661.05/13,190,487.92 = 4,184,851.35/x
  3. Step 3: Cross multiply
    8,790,661.05x = 13,190,487.92 × 4,184,851.35
  4. Step 4: Simplify right side
    8,790,661.05x = 55,200,231,179,170.70
  5. Step 5: Solve for x
    x = 55,200,231,179,170.70/8,790,661.05
  6. Step 6: Final answer
    x = 6,279,417.54

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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.