Home / 11,109,451.86-16,664,057.37-8,430,231.06

Finding the Fourth Proportional to 11,109,451.86, 16,664,057.37 and 8,430,231.06

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Solution

The fourth proportional to 11,109,451.86, 16,664,057.37 and 8,430,231.06 is: 12,645,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109,451.86 : 16,664,057.37 = 8,430,231.06 : x
  2. Step 2: Convert to fraction form
    11,109,451.86/16,664,057.37 = 8,430,231.06/x
  3. Step 3: Cross multiply
    11,109,451.86x = 16,664,057.37 × 8,430,231.06
  4. Step 4: Simplify right side
    11,109,451.86x = 140,481,854,026,195.91
  5. Step 5: Solve for x
    x = 140,481,854,026,195.91/11,109,451.86
  6. Step 6: Final answer
    x = 12,645,255.21

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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.