Home / 40,889,138.40-61,345,296-16,645,456.80

Finding the Fourth Proportional to 40,889,138.40, 61,345,296 and 16,645,456.80

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Solution

The fourth proportional to 40,889,138.40, 61,345,296 and 16,645,456.80 is: 24,972,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,889,138.40 : 61,345,296 = 16,645,456.80 : x
  2. Step 2: Convert to fraction form
    40,889,138.40/61,345,296 = 16,645,456.80/x
  3. Step 3: Cross multiply
    40,889,138.40x = 61,345,296 × 16,645,456.80
  4. Step 4: Simplify right side
    40,889,138.40x = 1,021,120,474,451,212.88
  5. Step 5: Solve for x
    x = 1,021,120,474,451,212.88/40,889,138.40
  6. Step 6: Final answer
    x = 24,972,902.69

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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.