Home / 6,463,815.76-8,920,093.32-3,563,143.60

Finding the Fourth Proportional to 6,463,815.76, 8,920,093.32 and 3,563,143.60

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Solution

The fourth proportional to 6,463,815.76, 8,920,093.32 and 3,563,143.60 is: 4,917,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,815.76 : 8,920,093.32 = 3,563,143.60 : x
  2. Step 2: Convert to fraction form
    6,463,815.76/8,920,093.32 = 3,563,143.60/x
  3. Step 3: Cross multiply
    6,463,815.76x = 8,920,093.32 × 3,563,143.60
  4. Step 4: Simplify right side
    6,463,815.76x = 31,783,573,424,560.75
  5. Step 5: Solve for x
    x = 31,783,573,424,560.75/6,463,815.76
  6. Step 6: Final answer
    x = 4,917,153.37

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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.