Home / 28,844,735.69-39,811,337.61-21,863,235.73

Finding the Fourth Proportional to 28,844,735.69, 39,811,337.61 and 21,863,235.73

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Solution

The fourth proportional to 28,844,735.69, 39,811,337.61 and 21,863,235.73 is: 30,175,511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844,735.69 : 39,811,337.61 = 21,863,235.73 : x
  2. Step 2: Convert to fraction form
    28,844,735.69/39,811,337.61 = 21,863,235.73/x
  3. Step 3: Cross multiply
    28,844,735.69x = 39,811,337.61 × 21,863,235.73
  4. Step 4: Simplify right side
    28,844,735.69x = 870,404,658,585,671.88
  5. Step 5: Solve for x
    x = 870,404,658,585,671.88/28,844,735.69
  6. Step 6: Final answer
    x = 30,175,511.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.