Home / 20,777,502.48-28,672,403.32-11,610,220.56

Finding the Fourth Proportional to 20,777,502.48, 28,672,403.32 and 11,610,220.56

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Solution

The fourth proportional to 20,777,502.48, 28,672,403.32 and 11,610,220.56 is: 16,021,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,502.48 : 28,672,403.32 = 11,610,220.56 : x
  2. Step 2: Convert to fraction form
    20,777,502.48/28,672,403.32 = 11,610,220.56/x
  3. Step 3: Cross multiply
    20,777,502.48x = 28,672,403.32 × 11,610,220.56
  4. Step 4: Simplify right side
    20,777,502.48x = 332,892,926,530,476.25
  5. Step 5: Solve for x
    x = 332,892,926,530,476.25/20,777,502.48
  6. Step 6: Final answer
    x = 16,021,796.98

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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.