Home / 20,675,900.60-31,013,843.60-5,529,438.44

Finding the Fourth Proportional to 20,675,900.60, 31,013,843.60 and 5,529,438.44

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Solution

The fourth proportional to 20,675,900.60, 31,013,843.60 and 5,529,438.44 is: 8,294,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675,900.60 : 31,013,843.60 = 5,529,438.44 : x
  2. Step 2: Convert to fraction form
    20,675,900.60/31,013,843.60 = 5,529,438.44/x
  3. Step 3: Cross multiply
    20,675,900.60x = 31,013,843.60 × 5,529,438.44
  4. Step 4: Simplify right side
    20,675,900.60x = 171,489,138,818,918.75
  5. Step 5: Solve for x
    x = 171,489,138,818,918.75/20,675,900.60
  6. Step 6: Final answer
    x = 8,294,155.70

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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.