Home / 21,885,961.86-30,204,190.26-12,096,195.66

Finding the Fourth Proportional to 21,885,961.86, 30,204,190.26 and 12,096,195.66

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Solution

The fourth proportional to 21,885,961.86, 30,204,190.26 and 12,096,195.66 is: 16,693,613.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885,961.86 : 30,204,190.26 = 12,096,195.66 : x
  2. Step 2: Convert to fraction form
    21,885,961.86/30,204,190.26 = 12,096,195.66/x
  3. Step 3: Cross multiply
    21,885,961.86x = 30,204,190.26 × 12,096,195.66
  4. Step 4: Simplify right side
    21,885,961.86x = 365,355,795,136,826.31
  5. Step 5: Solve for x
    x = 365,355,795,136,826.31/21,885,961.86
  6. Step 6: Final answer
    x = 16,693,613.81

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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.