Home / 12,771,097.73-19,145,257.09-4,682,188.45

Finding the Fourth Proportional to 12,771,097.73, 19,145,257.09 and 4,682,188.45

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Solution

The fourth proportional to 12,771,097.73, 19,145,257.09 and 4,682,188.45 is: 7,019,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,097.73 : 19,145,257.09 = 4,682,188.45 : x
  2. Step 2: Convert to fraction form
    12,771,097.73/19,145,257.09 = 4,682,188.45/x
  3. Step 3: Cross multiply
    12,771,097.73x = 19,145,257.09 × 4,682,188.45
  4. Step 4: Simplify right side
    12,771,097.73x = 89,641,701,619,078.61
  5. Step 5: Solve for x
    x = 89,641,701,619,078.61/12,771,097.73
  6. Step 6: Final answer
    x = 7,019,107.01

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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.