Home / 7,251,904.43-10,007,633.25-3,988,967.41

Finding the Fourth Proportional to 7,251,904.43, 10,007,633.25 and 3,988,967.41

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Solution

The fourth proportional to 7,251,904.43, 10,007,633.25 and 3,988,967.41 is: 5,504,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,904.43 : 10,007,633.25 = 3,988,967.41 : x
  2. Step 2: Convert to fraction form
    7,251,904.43/10,007,633.25 = 3,988,967.41/x
  3. Step 3: Cross multiply
    7,251,904.43x = 10,007,633.25 × 3,988,967.41
  4. Step 4: Simplify right side
    7,251,904.43x = 39,920,122,909,212.89
  5. Step 5: Solve for x
    x = 39,920,122,909,212.89/7,251,904.43
  6. Step 6: Final answer
    x = 5,504,777.85

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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.