Home / 19,322,944.80-28,984,398.54-4,945,989.54

Finding the Fourth Proportional to 19,322,944.80, 28,984,398.54 and 4,945,989.54

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Solution

The fourth proportional to 19,322,944.80, 28,984,398.54 and 4,945,989.54 is: 7,418,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322,944.80 : 28,984,398.54 = 4,945,989.54 : x
  2. Step 2: Convert to fraction form
    19,322,944.80/28,984,398.54 = 4,945,989.54/x
  3. Step 3: Cross multiply
    19,322,944.80x = 28,984,398.54 × 4,945,989.54
  4. Step 4: Simplify right side
    19,322,944.80x = 143,356,532,002,031.28
  5. Step 5: Solve for x
    x = 143,356,532,002,031.28/19,322,944.80
  6. Step 6: Final answer
    x = 7,418,979.53

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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.