Home / 21,783,385.36-30,060,824.88-11,993,629.60

Finding the Fourth Proportional to 21,783,385.36, 30,060,824.88 and 11,993,629.60

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Solution

The fourth proportional to 21,783,385.36, 30,060,824.88 and 11,993,629.60 is: 16,551,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,385.36 : 30,060,824.88 = 11,993,629.60 : x
  2. Step 2: Convert to fraction form
    21,783,385.36/30,060,824.88 = 11,993,629.60/x
  3. Step 3: Cross multiply
    21,783,385.36x = 30,060,824.88 × 11,993,629.60
  4. Step 4: Simplify right side
    21,783,385.36x = 360,538,399,081,184.44
  5. Step 5: Solve for x
    x = 360,538,399,081,184.44/21,783,385.36
  6. Step 6: Final answer
    x = 16,551,072.90

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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.