Home / 17,172,048.80-25,758,073.20-12,133,200.80

Finding the Fourth Proportional to 17,172,048.80, 25,758,073.20 and 12,133,200.80

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Solution

The fourth proportional to 17,172,048.80, 25,758,073.20 and 12,133,200.80 is: 18,199,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172,048.80 : 25,758,073.20 = 12,133,200.80 : x
  2. Step 2: Convert to fraction form
    17,172,048.80/25,758,073.20 = 12,133,200.80/x
  3. Step 3: Cross multiply
    17,172,048.80x = 25,758,073.20 × 12,133,200.80
  4. Step 4: Simplify right side
    17,172,048.80x = 312,527,874,356,698.56
  5. Step 5: Solve for x
    x = 312,527,874,356,698.56/17,172,048.80
  6. Step 6: Final answer
    x = 18,199,801.20

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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.