Home / 22,131,929.70-33,197,894.55-6,985,861.20

Finding the Fourth Proportional to 22,131,929.70, 33,197,894.55 and 6,985,861.20

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Solution

The fourth proportional to 22,131,929.70, 33,197,894.55 and 6,985,861.20 is: 10,478,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131,929.70 : 33,197,894.55 = 6,985,861.20 : x
  2. Step 2: Convert to fraction form
    22,131,929.70/33,197,894.55 = 6,985,861.20/x
  3. Step 3: Cross multiply
    22,131,929.70x = 33,197,894.55 × 6,985,861.20
  4. Step 4: Simplify right side
    22,131,929.70x = 231,915,883,458,536.47
  5. Step 5: Solve for x
    x = 231,915,883,458,536.47/22,131,929.70
  6. Step 6: Final answer
    x = 10,478,791.80

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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.