Home / 22,769,768.57-34,122,765.78-11,970,887.45

Finding the Fourth Proportional to 22,769,768.57, 34,122,765.78 and 11,970,887.45

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Solution

The fourth proportional to 22,769,768.57, 34,122,765.78 and 11,970,887.45 is: 17,939,566.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769,768.57 : 34,122,765.78 = 11,970,887.45 : x
  2. Step 2: Convert to fraction form
    22,769,768.57/34,122,765.78 = 11,970,887.45/x
  3. Step 3: Cross multiply
    22,769,768.57x = 34,122,765.78 × 11,970,887.45
  4. Step 4: Simplify right side
    22,769,768.57x = 408,479,788,464,477.69
  5. Step 5: Solve for x
    x = 408,479,788,464,477.69/22,769,768.57
  6. Step 6: Final answer
    x = 17,939,566.99

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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.