Home / 12,013,923.28-18,005,896.44-5,860,834.36

Finding the Fourth Proportional to 12,013,923.28, 18,005,896.44 and 5,860,834.36

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Solution

The fourth proportional to 12,013,923.28, 18,005,896.44 and 5,860,834.36 is: 8,783,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013,923.28 : 18,005,896.44 = 5,860,834.36 : x
  2. Step 2: Convert to fraction form
    12,013,923.28/18,005,896.44 = 5,860,834.36/x
  3. Step 3: Cross multiply
    12,013,923.28x = 18,005,896.44 × 5,860,834.36
  4. Step 4: Simplify right side
    12,013,923.28x = 105,529,576,538,153.69
  5. Step 5: Solve for x
    x = 105,529,576,538,153.69/12,013,923.28
  6. Step 6: Final answer
    x = 8,783,939.61

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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.