Home / 10,388,128.56-14,344,809.46-6,474,563.78

Finding the Fourth Proportional to 10,388,128.56, 14,344,809.46 and 6,474,563.78

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Solution

The fourth proportional to 10,388,128.56, 14,344,809.46 and 6,474,563.78 is: 8,940,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,128.56 : 14,344,809.46 = 6,474,563.78 : x
  2. Step 2: Convert to fraction form
    10,388,128.56/14,344,809.46 = 6,474,563.78/x
  3. Step 3: Cross multiply
    10,388,128.56x = 14,344,809.46 × 6,474,563.78
  4. Step 4: Simplify right side
    10,388,128.56x = 92,876,383,760,717.38
  5. Step 5: Solve for x
    x = 92,876,383,760,717.38/10,388,128.56
  6. Step 6: Final answer
    x = 8,940,627.10

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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.