Home / 21,573,660.88-29,771,449.32-11,784,100.24

Finding the Fourth Proportional to 21,573,660.88, 29,771,449.32 and 11,784,100.24

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Solution

The fourth proportional to 21,573,660.88, 29,771,449.32 and 11,784,100.24 is: 16,261,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573,660.88 : 29,771,449.32 = 11,784,100.24 : x
  2. Step 2: Convert to fraction form
    21,573,660.88/29,771,449.32 = 11,784,100.24/x
  3. Step 3: Cross multiply
    21,573,660.88x = 29,771,449.32 × 11,784,100.24
  4. Step 4: Simplify right side
    21,573,660.88x = 350,829,743,076,959.88
  5. Step 5: Solve for x
    x = 350,829,743,076,959.88/21,573,660.88
  6. Step 6: Final answer
    x = 16,261,947.61

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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.