Home / 5,423,931.90-8,087,976.78-5,375,249.28

Finding the Fourth Proportional to 5,423,931.90, 8,087,976.78 and 5,375,249.28

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Solution

The fourth proportional to 5,423,931.90, 8,087,976.78 and 5,375,249.28 is: 8,015,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,931.90 : 8,087,976.78 = 5,375,249.28 : x
  2. Step 2: Convert to fraction form
    5,423,931.90/8,087,976.78 = 5,375,249.28/x
  3. Step 3: Cross multiply
    5,423,931.90x = 8,087,976.78 × 5,375,249.28
  4. Step 4: Simplify right side
    5,423,931.90x = 43,474,891,322,911.84
  5. Step 5: Solve for x
    x = 43,474,891,322,911.84/5,423,931.90
  6. Step 6: Final answer
    x = 8,015,382.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.