Home / 7,005,963.43-10,509,257.81-2,147,920.39

Finding the Fourth Proportional to 7,005,963.43, 10,509,257.81 and 2,147,920.39

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Solution

The fourth proportional to 7,005,963.43, 10,509,257.81 and 2,147,920.39 is: 3,221,976.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005,963.43 : 10,509,257.81 = 2,147,920.39 : x
  2. Step 2: Convert to fraction form
    7,005,963.43/10,509,257.81 = 2,147,920.39/x
  3. Step 3: Cross multiply
    7,005,963.43x = 10,509,257.81 × 2,147,920.39
  4. Step 4: Simplify right side
    7,005,963.43x = 22,573,049,133,865.75
  5. Step 5: Solve for x
    x = 22,573,049,133,865.75/7,005,963.43
  6. Step 6: Final answer
    x = 3,221,976.44

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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.