Home / 13,252,719.20-19,879,078.80-13,168,738.40

Finding the Fourth Proportional to 13,252,719.20, 19,879,078.80 and 13,168,738.40

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Solution

The fourth proportional to 13,252,719.20, 19,879,078.80 and 13,168,738.40 is: 19,753,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252,719.20 : 19,879,078.80 = 13,168,738.40 : x
  2. Step 2: Convert to fraction form
    13,252,719.20/19,879,078.80 = 13,168,738.40/x
  3. Step 3: Cross multiply
    13,252,719.20x = 19,879,078.80 × 13,168,738.40
  4. Step 4: Simplify right side
    13,252,719.20x = 261,782,388,350,185.94
  5. Step 5: Solve for x
    x = 261,782,388,350,185.94/13,252,719.20
  6. Step 6: Final answer
    x = 19,753,107.60

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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.