Home / 18,686,064.80-28,029,097.20-18,560,093.60

Finding the Fourth Proportional to 18,686,064.80, 28,029,097.20 and 18,560,093.60

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Solution

The fourth proportional to 18,686,064.80, 28,029,097.20 and 18,560,093.60 is: 27,840,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,064.80 : 28,029,097.20 = 18,560,093.60 : x
  2. Step 2: Convert to fraction form
    18,686,064.80/28,029,097.20 = 18,560,093.60/x
  3. Step 3: Cross multiply
    18,686,064.80x = 28,029,097.20 × 18,560,093.60
  4. Step 4: Simplify right side
    18,686,064.80x = 520,222,667,555,497.94
  5. Step 5: Solve for x
    x = 520,222,667,555,497.94/18,686,064.80
  6. Step 6: Final answer
    x = 27,840,140.40

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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.