Home / 5,415,322.20-8,122,983.30-5,377,997.40

Finding the Fourth Proportional to 5,415,322.20, 8,122,983.30 and 5,377,997.40

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Solution

The fourth proportional to 5,415,322.20, 8,122,983.30 and 5,377,997.40 is: 8,066,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,322.20 : 8,122,983.30 = 5,377,997.40 : x
  2. Step 2: Convert to fraction form
    5,415,322.20/8,122,983.30 = 5,377,997.40/x
  3. Step 3: Cross multiply
    5,415,322.20x = 8,122,983.30 × 5,377,997.40
  4. Step 4: Simplify right side
    5,415,322.20x = 43,685,383,067,643.42
  5. Step 5: Solve for x
    x = 43,685,383,067,643.42/5,415,322.20
  6. Step 6: Final answer
    x = 8,066,996.10

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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.