Home / 28,395,951.88-42,576,902.09-13,794,117.42

Finding the Fourth Proportional to 28,395,951.88, 42,576,902.09 and 13,794,117.42

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Solution

The fourth proportional to 28,395,951.88, 42,576,902.09 and 13,794,117.42 is: 20,682,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395,951.88 : 42,576,902.09 = 13,794,117.42 : x
  2. Step 2: Convert to fraction form
    28,395,951.88/42,576,902.09 = 13,794,117.42/x
  3. Step 3: Cross multiply
    28,395,951.88x = 42,576,902.09 × 13,794,117.42
  4. Step 4: Simplify right side
    28,395,951.88x = 587,310,786,870,800.75
  5. Step 5: Solve for x
    x = 587,310,786,870,800.75/28,395,951.88
  6. Step 6: Final answer
    x = 20,682,905.41

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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.