Home / 18,285,121.44-25,228,357.20-14,405,599.44

Finding the Fourth Proportional to 18,285,121.44, 25,228,357.20 and 14,405,599.44

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Solution

The fourth proportional to 18,285,121.44, 25,228,357.20 and 14,405,599.44 is: 19,875,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285,121.44 : 25,228,357.20 = 14,405,599.44 : x
  2. Step 2: Convert to fraction form
    18,285,121.44/25,228,357.20 = 14,405,599.44/x
  3. Step 3: Cross multiply
    18,285,121.44x = 25,228,357.20 × 14,405,599.44
  4. Step 4: Simplify right side
    18,285,121.44x = 363,429,608,352,439.94
  5. Step 5: Solve for x
    x = 363,429,608,352,439.94/18,285,121.44
  6. Step 6: Final answer
    x = 19,875,701.10

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1.5x scale

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.