Home / 20,165,048.15-27,827,639.26-11,463,221.18

Finding the Fourth Proportional to 20,165,048.15, 27,827,639.26 and 11,463,221.18

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Solution

The fourth proportional to 20,165,048.15, 27,827,639.26 and 11,463,221.18 is: 15,819,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,048.15 : 27,827,639.26 = 11,463,221.18 : x
  2. Step 2: Convert to fraction form
    20,165,048.15/27,827,639.26 = 11,463,221.18/x
  3. Step 3: Cross multiply
    20,165,048.15x = 27,827,639.26 × 11,463,221.18
  4. Step 4: Simplify right side
    20,165,048.15x = 318,994,383,795,542.56
  5. Step 5: Solve for x
    x = 318,994,383,795,542.56/20,165,048.15
  6. Step 6: Final answer
    x = 15,819,172.93

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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.