Home / 21,960,391.06-30,305,342.48-12,171,467.21

Finding the Fourth Proportional to 21,960,391.06, 30,305,342.48 and 12,171,467.21

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Solution

The fourth proportional to 21,960,391.06, 30,305,342.48 and 12,171,467.21 is: 16,796,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,391.06 : 30,305,342.48 = 12,171,467.21 : x
  2. Step 2: Convert to fraction form
    21,960,391.06/30,305,342.48 = 12,171,467.21/x
  3. Step 3: Cross multiply
    21,960,391.06x = 30,305,342.48 × 12,171,467.21
  4. Step 4: Simplify right side
    21,960,391.06x = 368,860,482,283,140.12
  5. Step 5: Solve for x
    x = 368,860,482,283,140.12/21,960,391.06
  6. Step 6: Final answer
    x = 16,796,626.31

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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.