Home / 10,027,580.64-13,824,697.20-7,969,467.36

Finding the Fourth Proportional to 10,027,580.64, 13,824,697.20 and 7,969,467.36

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Solution

The fourth proportional to 10,027,580.64, 13,824,697.20 and 7,969,467.36 is: 10,987,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027,580.64 : 13,824,697.20 = 7,969,467.36 : x
  2. Step 2: Convert to fraction form
    10,027,580.64/13,824,697.20 = 7,969,467.36/x
  3. Step 3: Cross multiply
    10,027,580.64x = 13,824,697.20 × 7,969,467.36
  4. Step 4: Simplify right side
    10,027,580.64x = 110,175,473,097,283.39
  5. Step 5: Solve for x
    x = 110,175,473,097,283.39/10,027,580.64
  6. Step 6: Final answer
    x = 10,987,243.79

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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.