Home / 7,179,043.56-9,907,196.43-3,915,857.31

Finding the Fourth Proportional to 7,179,043.56, 9,907,196.43 and 3,915,857.31

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Solution

The fourth proportional to 7,179,043.56, 9,907,196.43 and 3,915,857.31 is: 5,403,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,043.56 : 9,907,196.43 = 3,915,857.31 : x
  2. Step 2: Convert to fraction form
    7,179,043.56/9,907,196.43 = 3,915,857.31/x
  3. Step 3: Cross multiply
    7,179,043.56x = 9,907,196.43 × 3,915,857.31
  4. Step 4: Simplify right side
    7,179,043.56x = 38,795,167,512,485.42
  5. Step 5: Solve for x
    x = 38,795,167,512,485.42/7,179,043.56
  6. Step 6: Final answer
    x = 5,403,946.53

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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.