Home / 18,789,532.54-25,920,340.71-16,305,266.44

Finding the Fourth Proportional to 18,789,532.54, 25,920,340.71 and 16,305,266.44

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Solution

The fourth proportional to 18,789,532.54, 25,920,340.71 and 16,305,266.44 is: 22,493,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,532.54 : 25,920,340.71 = 16,305,266.44 : x
  2. Step 2: Convert to fraction form
    18,789,532.54/25,920,340.71 = 16,305,266.44/x
  3. Step 3: Cross multiply
    18,789,532.54x = 25,920,340.71 × 16,305,266.44
  4. Step 4: Simplify right side
    18,789,532.54x = 422,638,061,362,527.12
  5. Step 5: Solve for x
    x = 422,638,061,362,527.12/18,789,532.54
  6. Step 6: Final answer
    x = 22,493,271.75

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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.