Home / 20,460,664.83-28,231,502.54-11,757,155.94

Finding the Fourth Proportional to 20,460,664.83, 28,231,502.54 and 11,757,155.94

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Solution

The fourth proportional to 20,460,664.83, 28,231,502.54 and 11,757,155.94 is: 16,222,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,664.83 : 28,231,502.54 = 11,757,155.94 : x
  2. Step 2: Convert to fraction form
    20,460,664.83/28,231,502.54 = 11,757,155.94/x
  3. Step 3: Cross multiply
    20,460,664.83x = 28,231,502.54 × 11,757,155.94
  4. Step 4: Simplify right side
    20,460,664.83x = 331,922,177,724,500.31
  5. Step 5: Solve for x
    x = 331,922,177,724,500.31/20,460,664.83
  6. Step 6: Final answer
    x = 16,222,453.20

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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.