Home / 20,022,092.79-30,033,138.78-9,236,202.45

Finding the Fourth Proportional to 20,022,092.79, 30,033,138.78 and 9,236,202.45

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Solution

The fourth proportional to 20,022,092.79, 30,033,138.78 and 9,236,202.45 is: 13,854,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,092.79 : 30,033,138.78 = 9,236,202.45 : x
  2. Step 2: Convert to fraction form
    20,022,092.79/30,033,138.78 = 9,236,202.45/x
  3. Step 3: Cross multiply
    20,022,092.79x = 30,033,138.78 × 9,236,202.45
  4. Step 4: Simplify right side
    20,022,092.79x = 277,392,149,981,026
  5. Step 5: Solve for x
    x = 277,392,149,981,026/20,022,092.79
  6. Step 6: Final answer
    x = 13,854,303.49

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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.