Home / 13,319,336.62-19,970,914.62-5,222,611.72

Finding the Fourth Proportional to 13,319,336.62, 19,970,914.62 and 5,222,611.72

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Solution

The fourth proportional to 13,319,336.62, 19,970,914.62 and 5,222,611.72 is: 7,830,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,336.62 : 19,970,914.62 = 5,222,611.72 : x
  2. Step 2: Convert to fraction form
    13,319,336.62/19,970,914.62 = 5,222,611.72/x
  3. Step 3: Cross multiply
    13,319,336.62x = 19,970,914.62 × 5,222,611.72
  4. Step 4: Simplify right side
    13,319,336.62x = 104,300,332,753,531.34
  5. Step 5: Solve for x
    x = 104,300,332,753,531.34/13,319,336.62
  6. Step 6: Final answer
    x = 7,830,745.31

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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.