Home / 7,251,912.39-10,007,644.21-3,988,975.35

Finding the Fourth Proportional to 7,251,912.39, 10,007,644.21 and 3,988,975.35

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Solution

The fourth proportional to 7,251,912.39, 10,007,644.21 and 3,988,975.35 is: 5,504,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,912.39 : 10,007,644.21 = 3,988,975.35 : x
  2. Step 2: Convert to fraction form
    7,251,912.39/10,007,644.21 = 3,988,975.35/x
  3. Step 3: Cross multiply
    7,251,912.39x = 10,007,644.21 × 3,988,975.35
  4. Step 4: Simplify right side
    7,251,912.39x = 39,920,246,115,254.44
  5. Step 5: Solve for x
    x = 39,920,246,115,254.44/7,251,912.39
  6. Step 6: Final answer
    x = 5,504,788.80

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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.