Home / 6,463,713.21-8,919,984.83-3,563,207.85

Finding the Fourth Proportional to 6,463,713.21, 8,919,984.83 and 3,563,207.85

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Solution

The fourth proportional to 6,463,713.21, 8,919,984.83 and 3,563,207.85 is: 4,917,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,713.21 : 8,919,984.83 = 3,563,207.85 : x
  2. Step 2: Convert to fraction form
    6,463,713.21/8,919,984.83 = 3,563,207.85/x
  3. Step 3: Cross multiply
    6,463,713.21x = 8,919,984.83 × 3,563,207.85
  4. Step 4: Simplify right side
    6,463,713.21x = 31,783,759,968,136.92
  5. Step 5: Solve for x
    x = 31,783,759,968,136.92/6,463,713.21
  6. Step 6: Final answer
    x = 4,917,260.24

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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.