Home / 6,638,307-9,965,865.06-4,073,220.60

Finding the Fourth Proportional to 6,638,307, 9,965,865.06 and 4,073,220.60

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Solution

The fourth proportional to 6,638,307, 9,965,865.06 and 4,073,220.60 is: 6,114,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,307 : 9,965,865.06 = 4,073,220.60 : x
  2. Step 2: Convert to fraction form
    6,638,307/9,965,865.06 = 4,073,220.60/x
  3. Step 3: Cross multiply
    6,638,307x = 9,965,865.06 × 4,073,220.60
  4. Step 4: Simplify right side
    6,638,307x = 40,593,166,859,212.24
  5. Step 5: Solve for x
    x = 40,593,166,859,212.24/6,638,307
  6. Step 6: Final answer
    x = 6,114,987.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.