Home / 18,751,504.30-28,085,266.05-11,193,232.30

Finding the Fourth Proportional to 18,751,504.30, 28,085,266.05 and 11,193,232.30

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Solution

The fourth proportional to 18,751,504.30, 28,085,266.05 and 11,193,232.30 is: 16,764,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,504.30 : 28,085,266.05 = 11,193,232.30 : x
  2. Step 2: Convert to fraction form
    18,751,504.30/28,085,266.05 = 11,193,232.30/x
  3. Step 3: Cross multiply
    18,751,504.30x = 28,085,266.05 × 11,193,232.30
  4. Step 4: Simplify right side
    18,751,504.30x = 314,364,907,104,953.44
  5. Step 5: Solve for x
    x = 314,364,907,104,953.44/18,751,504.30
  6. Step 6: Final answer
    x = 16,764,783.35

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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.