Home / 20,151,161.72-30,228,557.81-6,504,631.64

Finding the Fourth Proportional to 20,151,161.72, 30,228,557.81 and 6,504,631.64

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Solution

The fourth proportional to 20,151,161.72, 30,228,557.81 and 6,504,631.64 is: 9,757,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,161.72 : 30,228,557.81 = 6,504,631.64 : x
  2. Step 2: Convert to fraction form
    20,151,161.72/30,228,557.81 = 6,504,631.64/x
  3. Step 3: Cross multiply
    20,151,161.72x = 30,228,557.81 × 6,504,631.64
  4. Step 4: Simplify right side
    20,151,161.72x = 196,625,633,378,829.16
  5. Step 5: Solve for x
    x = 196,625,633,378,829.16/20,151,161.72
  6. Step 6: Final answer
    x = 9,757,533.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.