Home / 19,181,343.94-28,752,628.91-8,258,658.27

Finding the Fourth Proportional to 19,181,343.94, 28,752,628.91 and 8,258,658.27

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Solution

The fourth proportional to 19,181,343.94, 28,752,628.91 and 8,258,658.27 is: 12,379,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,343.94 : 28,752,628.91 = 8,258,658.27 : x
  2. Step 2: Convert to fraction form
    19,181,343.94/28,752,628.91 = 8,258,658.27/x
  3. Step 3: Cross multiply
    19,181,343.94x = 28,752,628.91 × 8,258,658.27
  4. Step 4: Simplify right side
    19,181,343.94x = 237,458,136,531,812.56
  5. Step 5: Solve for x
    x = 237,458,136,531,812.56/19,181,343.94
  6. Step 6: Final answer
    x = 12,379,640.20

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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.