Home / 21,960,388.12-30,305,338.43-12,171,464.28

Finding the Fourth Proportional to 21,960,388.12, 30,305,338.43 and 12,171,464.28

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Solution

The fourth proportional to 21,960,388.12, 30,305,338.43 and 12,171,464.28 is: 16,796,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,388.12 : 30,305,338.43 = 12,171,464.28 : x
  2. Step 2: Convert to fraction form
    21,960,388.12/30,305,338.43 = 12,171,464.28/x
  3. Step 3: Cross multiply
    21,960,388.12x = 30,305,338.43 × 12,171,464.28
  4. Step 4: Simplify right side
    21,960,388.12x = 368,860,344,194,056.25
  5. Step 5: Solve for x
    x = 368,860,344,194,056.25/21,960,388.12
  6. Step 6: Final answer
    x = 16,796,622.27

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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.