Home / 21,204,406.44-31,777,183.02-9,661,664.76

Finding the Fourth Proportional to 21,204,406.44, 31,777,183.02 and 9,661,664.76

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Solution

The fourth proportional to 21,204,406.44, 31,777,183.02 and 9,661,664.76 is: 14,479,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,406.44 : 31,777,183.02 = 9,661,664.76 : x
  2. Step 2: Convert to fraction form
    21,204,406.44/31,777,183.02 = 9,661,664.76/x
  3. Step 3: Cross multiply
    21,204,406.44x = 31,777,183.02 × 9,661,664.76
  4. Step 4: Simplify right side
    21,204,406.44x = 307,020,489,356,404.38
  5. Step 5: Solve for x
    x = 307,020,489,356,404.38/21,204,406.44
  6. Step 6: Final answer
    x = 14,479,089.06

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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.