Home / 21,422,281.20-29,562,714.36-11,764,489.20

Finding the Fourth Proportional to 21,422,281.20, 29,562,714.36 and 11,764,489.20

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Solution

The fourth proportional to 21,422,281.20, 29,562,714.36 and 11,764,489.20 is: 16,234,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422,281.20 : 29,562,714.36 = 11,764,489.20 : x
  2. Step 2: Convert to fraction form
    21,422,281.20/29,562,714.36 = 11,764,489.20/x
  3. Step 3: Cross multiply
    21,422,281.20x = 29,562,714.36 × 11,764,489.20
  4. Step 4: Simplify right side
    21,422,281.20x = 347,790,233,810,904.88
  5. Step 5: Solve for x
    x = 347,790,233,810,904.88/21,422,281.20
  6. Step 6: Final answer
    x = 16,234,976.59

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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.