Home / 13,764,490.22-20,646,768.12-4,179,940.82

Finding the Fourth Proportional to 13,764,490.22, 20,646,768.12 and 4,179,940.82

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Solution

The fourth proportional to 13,764,490.22, 20,646,768.12 and 4,179,940.82 is: 6,269,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,490.22 : 20,646,768.12 = 4,179,940.82 : x
  2. Step 2: Convert to fraction form
    13,764,490.22/20,646,768.12 = 4,179,940.82/x
  3. Step 3: Cross multiply
    13,764,490.22x = 20,646,768.12 × 4,179,940.82
  4. Step 4: Simplify right side
    13,764,490.22x = 86,302,268,865,862.66
  5. Step 5: Solve for x
    x = 86,302,268,865,862.66/13,764,490.22
  6. Step 6: Final answer
    x = 6,269,921.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.