Home / 7,251,913.39-10,007,645.59-3,988,976.35

Finding the Fourth Proportional to 7,251,913.39, 10,007,645.59 and 3,988,976.35

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Solution

The fourth proportional to 7,251,913.39, 10,007,645.59 and 3,988,976.35 is: 5,504,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,913.39 : 10,007,645.59 = 3,988,976.35 : x
  2. Step 2: Convert to fraction form
    7,251,913.39/10,007,645.59 = 3,988,976.35/x
  3. Step 3: Cross multiply
    7,251,913.39x = 10,007,645.59 × 3,988,976.35
  4. Step 4: Simplify right side
    7,251,913.39x = 39,920,261,577,691.80
  5. Step 5: Solve for x
    x = 39,920,261,577,691.80/7,251,913.39
  6. Step 6: Final answer
    x = 5,504,790.17

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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.