Home / 11,784,868.78-17,678,050.34-3,698,163.58

Finding the Fourth Proportional to 11,784,868.78, 17,678,050.34 and 3,698,163.58

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Solution

The fourth proportional to 11,784,868.78, 17,678,050.34 and 3,698,163.58 is: 5,547,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784,868.78 : 17,678,050.34 = 3,698,163.58 : x
  2. Step 2: Convert to fraction form
    11,784,868.78/17,678,050.34 = 3,698,163.58/x
  3. Step 3: Cross multiply
    11,784,868.78x = 17,678,050.34 × 3,698,163.58
  4. Step 4: Simplify right side
    11,784,868.78x = 65,376,321,870,108.68
  5. Step 5: Solve for x
    x = 65,376,321,870,108.68/11,784,868.78
  6. Step 6: Final answer
    x = 5,547,479.83

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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.