Home / 20,535,054.57-28,339,949.21-11,714,699.96

Finding the Fourth Proportional to 20,535,054.57, 28,339,949.21 and 11,714,699.96

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Solution

The fourth proportional to 20,535,054.57, 28,339,949.21 and 11,714,699.96 is: 16,167,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,054.57 : 28,339,949.21 = 11,714,699.96 : x
  2. Step 2: Convert to fraction form
    20,535,054.57/28,339,949.21 = 11,714,699.96/x
  3. Step 3: Cross multiply
    20,535,054.57x = 28,339,949.21 × 11,714,699.96
  4. Step 4: Simplify right side
    20,535,054.57x = 331,994,001,782,790.56
  5. Step 5: Solve for x
    x = 331,994,001,782,790.56/20,535,054.57
  6. Step 6: Final answer
    x = 16,167,183.81

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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.