Home / 19,584,016.80-29,376,025.20-18,256,912.80

Finding the Fourth Proportional to 19,584,016.80, 29,376,025.20 and 18,256,912.80

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Solution

The fourth proportional to 19,584,016.80, 29,376,025.20 and 18,256,912.80 is: 27,385,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584,016.80 : 29,376,025.20 = 18,256,912.80 : x
  2. Step 2: Convert to fraction form
    19,584,016.80/29,376,025.20 = 18,256,912.80/x
  3. Step 3: Cross multiply
    19,584,016.80x = 29,376,025.20 × 18,256,912.80
  4. Step 4: Simplify right side
    19,584,016.80x = 536,315,530,487,002.56
  5. Step 5: Solve for x
    x = 536,315,530,487,002.56/19,584,016.80
  6. Step 6: Final answer
    x = 27,385,369.20

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1.5x scale

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.