Home / 21,811,847.33-30,098,579.59-12,645,080.57

Finding the Fourth Proportional to 21,811,847.33, 30,098,579.59 and 12,645,080.57

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Solution

The fourth proportional to 21,811,847.33, 30,098,579.59 and 12,645,080.57 is: 17,449,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811,847.33 : 30,098,579.59 = 12,645,080.57 : x
  2. Step 2: Convert to fraction form
    21,811,847.33/30,098,579.59 = 12,645,080.57/x
  3. Step 3: Cross multiply
    21,811,847.33x = 30,098,579.59 × 12,645,080.57
  4. Step 4: Simplify right side
    21,811,847.33x = 380,598,963,958,107.56
  5. Step 5: Solve for x
    x = 380,598,963,958,107.56/21,811,847.33
  6. Step 6: Final answer
    x = 17,449,185.22

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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.