Home / 11,243,976.57-16,855,190.21-4,758,129.83

Finding the Fourth Proportional to 11,243,976.57, 16,855,190.21 and 4,758,129.83

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Solution

The fourth proportional to 11,243,976.57, 16,855,190.21 and 4,758,129.83 is: 7,132,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243,976.57 : 16,855,190.21 = 4,758,129.83 : x
  2. Step 2: Convert to fraction form
    11,243,976.57/16,855,190.21 = 4,758,129.83/x
  3. Step 3: Cross multiply
    11,243,976.57x = 16,855,190.21 × 4,758,129.83
  4. Step 4: Simplify right side
    11,243,976.57x = 80,199,183,220,458.36
  5. Step 5: Solve for x
    x = 80,199,183,220,458.36/11,243,976.57
  6. Step 6: Final answer
    x = 7,132,635.21

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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.