Home / 23,139,670.94-31,932,053.85-12,685,329.73

Finding the Fourth Proportional to 23,139,670.94, 31,932,053.85 and 12,685,329.73

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Solution

The fourth proportional to 23,139,670.94, 31,932,053.85 and 12,685,329.73 is: 17,505,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139,670.94 : 31,932,053.85 = 12,685,329.73 : x
  2. Step 2: Convert to fraction form
    23,139,670.94/31,932,053.85 = 12,685,329.73/x
  3. Step 3: Cross multiply
    23,139,670.94x = 31,932,053.85 × 12,685,329.73
  4. Step 4: Simplify right side
    23,139,670.94x = 405,068,632,043,366
  5. Step 5: Solve for x
    x = 405,068,632,043,366/23,139,670.94
  6. Step 6: Final answer
    x = 17,505,375.64

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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.