Home / 18,792,145.80-28,188,218.70-12,414,853.80

Finding the Fourth Proportional to 18,792,145.80, 28,188,218.70 and 12,414,853.80

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Solution

The fourth proportional to 18,792,145.80, 28,188,218.70 and 12,414,853.80 is: 18,622,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,145.80 : 28,188,218.70 = 12,414,853.80 : x
  2. Step 2: Convert to fraction form
    18,792,145.80/28,188,218.70 = 12,414,853.80/x
  3. Step 3: Cross multiply
    18,792,145.80x = 28,188,218.70 × 12,414,853.80
  4. Step 4: Simplify right side
    18,792,145.80x = 349,952,614,042,926.06
  5. Step 5: Solve for x
    x = 349,952,614,042,926.06/18,792,145.80
  6. Step 6: Final answer
    x = 18,622,280.70

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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.