Home / 16,783,321.36-25,178,669.16-9,966,121.60

Finding the Fourth Proportional to 16,783,321.36, 25,178,669.16 and 9,966,121.60

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Solution

The fourth proportional to 16,783,321.36, 25,178,669.16 and 9,966,121.60 is: 14,951,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783,321.36 : 25,178,669.16 = 9,966,121.60 : x
  2. Step 2: Convert to fraction form
    16,783,321.36/25,178,669.16 = 9,966,121.60/x
  3. Step 3: Cross multiply
    16,783,321.36x = 25,178,669.16 × 9,966,121.60
  4. Step 4: Simplify right side
    16,783,321.36x = 250,933,678,574,729.84
  5. Step 5: Solve for x
    x = 250,933,678,574,729.84/16,783,321.36
  6. Step 6: Final answer
    x = 14,951,371.85

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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.