Home / 21,960,388.31-30,305,338.68-12,171,464.46

Finding the Fourth Proportional to 21,960,388.31, 30,305,338.68 and 12,171,464.46

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Solution

The fourth proportional to 21,960,388.31, 30,305,338.68 and 12,171,464.46 is: 16,796,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,388.31 : 30,305,338.68 = 12,171,464.46 : x
  2. Step 2: Convert to fraction form
    21,960,388.31/30,305,338.68 = 12,171,464.46/x
  3. Step 3: Cross multiply
    21,960,388.31x = 30,305,338.68 × 12,171,464.46
  4. Step 4: Simplify right side
    21,960,388.31x = 368,860,352,737,526.31
  5. Step 5: Solve for x
    x = 368,860,352,737,526.31/21,960,388.31
  6. Step 6: Final answer
    x = 16,796,622.52

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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.