Home / 12,662,378.52-17,474,405.22-7,770,302.52

Finding the Fourth Proportional to 12,662,378.52, 17,474,405.22 and 7,770,302.52

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Solution

The fourth proportional to 12,662,378.52, 17,474,405.22 and 7,770,302.52 is: 10,723,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,378.52 : 17,474,405.22 = 7,770,302.52 : x
  2. Step 2: Convert to fraction form
    12,662,378.52/17,474,405.22 = 7,770,302.52/x
  3. Step 3: Cross multiply
    12,662,378.52x = 17,474,405.22 × 7,770,302.52
  4. Step 4: Simplify right side
    12,662,378.52x = 135,781,414,916,467.14
  5. Step 5: Solve for x
    x = 135,781,414,916,467.14/12,662,378.52
  6. Step 6: Final answer
    x = 10,723,215.60

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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.