Home / 7,239,728.73-9,997,310.49-5,400,993.51

Finding the Fourth Proportional to 7,239,728.73, 9,997,310.49 and 5,400,993.51

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Solution

The fourth proportional to 7,239,728.73, 9,997,310.49 and 5,400,993.51 is: 7,458,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,728.73 : 9,997,310.49 = 5,400,993.51 : x
  2. Step 2: Convert to fraction form
    7,239,728.73/9,997,310.49 = 5,400,993.51/x
  3. Step 3: Cross multiply
    7,239,728.73x = 9,997,310.49 × 5,400,993.51
  4. Step 4: Simplify right side
    7,239,728.73x = 53,995,409,073,944.92
  5. Step 5: Solve for x
    x = 53,995,409,073,944.92/7,239,728.73
  6. Step 6: Final answer
    x = 7,458,208.88

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1.5x scale

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.