Home / 10,419,504.27-15,643,572.48-5,305,370.01

Finding the Fourth Proportional to 10,419,504.27, 15,643,572.48 and 5,305,370.01

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Solution

The fourth proportional to 10,419,504.27, 15,643,572.48 and 5,305,370.01 is: 7,965,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419,504.27 : 15,643,572.48 = 5,305,370.01 : x
  2. Step 2: Convert to fraction form
    10,419,504.27/15,643,572.48 = 5,305,370.01/x
  3. Step 3: Cross multiply
    10,419,504.27x = 15,643,572.48 × 5,305,370.01
  4. Step 4: Simplify right side
    10,419,504.27x = 82,994,940,284,653.33
  5. Step 5: Solve for x
    x = 82,994,940,284,653.33/10,419,504.27
  6. Step 6: Final answer
    x = 7,965,344.43

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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.