Home / 10,921,902.90-16,393,351.95-5,536,634.10

Finding the Fourth Proportional to 10,921,902.90, 16,393,351.95 and 5,536,634.10

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Solution

The fourth proportional to 10,921,902.90, 16,393,351.95 and 5,536,634.10 is: 8,310,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,902.90 : 16,393,351.95 = 5,536,634.10 : x
  2. Step 2: Convert to fraction form
    10,921,902.90/16,393,351.95 = 5,536,634.10/x
  3. Step 3: Cross multiply
    10,921,902.90x = 16,393,351.95 × 5,536,634.10
  4. Step 4: Simplify right side
    10,921,902.90x = 90,763,991,419,671.48
  5. Step 5: Solve for x
    x = 90,763,991,419,671.48/10,921,902.90
  6. Step 6: Final answer
    x = 8,310,272.69

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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.