Home / 19,821,766.92-27,365,764.32-12,485,888.52

Finding the Fourth Proportional to 19,821,766.92, 27,365,764.32 and 12,485,888.52

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Solution

The fourth proportional to 19,821,766.92, 27,365,764.32 and 12,485,888.52 is: 17,237,912.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821,766.92 : 27,365,764.32 = 12,485,888.52 : x
  2. Step 2: Convert to fraction form
    19,821,766.92/27,365,764.32 = 12,485,888.52/x
  3. Step 3: Cross multiply
    19,821,766.92x = 27,365,764.32 × 12,485,888.52
  4. Step 4: Simplify right side
    19,821,766.92x = 341,685,882,564,113.62
  5. Step 5: Solve for x
    x = 341,685,882,564,113.62/19,821,766.92
  6. Step 6: Final answer
    x = 17,237,912.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.