Home / 20,529,137.44-28,327,053.76-11,825,610.08

Finding the Fourth Proportional to 20,529,137.44, 28,327,053.76 and 11,825,610.08

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Solution

The fourth proportional to 20,529,137.44, 28,327,053.76 and 11,825,610.08 is: 16,317,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529,137.44 : 28,327,053.76 = 11,825,610.08 : x
  2. Step 2: Convert to fraction form
    20,529,137.44/28,327,053.76 = 11,825,610.08/x
  3. Step 3: Cross multiply
    20,529,137.44x = 28,327,053.76 × 11,825,610.08
  4. Step 4: Simplify right side
    20,529,137.44x = 334,984,692,480,957.94
  5. Step 5: Solve for x
    x = 334,984,692,480,957.94/20,529,137.44
  6. Step 6: Final answer
    x = 16,317,523.98

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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.