Home / 11,775,786.78-17,656,446.42-4,578,931.74

Finding the Fourth Proportional to 11,775,786.78, 17,656,446.42 and 4,578,931.74

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Solution

The fourth proportional to 11,775,786.78, 17,656,446.42 and 4,578,931.74 is: 6,865,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775,786.78 : 17,656,446.42 = 4,578,931.74 : x
  2. Step 2: Convert to fraction form
    11,775,786.78/17,656,446.42 = 4,578,931.74/x
  3. Step 3: Cross multiply
    11,775,786.78x = 17,656,446.42 × 4,578,931.74
  4. Step 4: Simplify right side
    11,775,786.78x = 80,847,662,928,147.39
  5. Step 5: Solve for x
    x = 80,847,662,928,147.39/11,775,786.78
  6. Step 6: Final answer
    x = 6,865,584.82

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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.