Home / 6,629,031.69-9,147,973.44-3,728,421.42

Finding the Fourth Proportional to 6,629,031.69, 9,147,973.44 and 3,728,421.42

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Solution

The fourth proportional to 6,629,031.69, 9,147,973.44 and 3,728,421.42 is: 5,145,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629,031.69 : 9,147,973.44 = 3,728,421.42 : x
  2. Step 2: Convert to fraction form
    6,629,031.69/9,147,973.44 = 3,728,421.42/x
  3. Step 3: Cross multiply
    6,629,031.69x = 9,147,973.44 × 3,728,421.42
  4. Step 4: Simplify right side
    6,629,031.69x = 34,107,500,123,287.08
  5. Step 5: Solve for x
    x = 34,107,500,123,287.08/6,629,031.69
  6. Step 6: Final answer
    x = 5,145,170.78

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Double scale
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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.