Home / 14,865,771.37-20,515,440.42-8,670,940.78

Finding the Fourth Proportional to 14,865,771.37, 20,515,440.42 and 8,670,940.78

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Solution

The fourth proportional to 14,865,771.37, 20,515,440.42 and 8,670,940.78 is: 11,966,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865,771.37 : 20,515,440.42 = 8,670,940.78 : x
  2. Step 2: Convert to fraction form
    14,865,771.37/20,515,440.42 = 8,670,940.78/x
  3. Step 3: Cross multiply
    14,865,771.37x = 20,515,440.42 × 8,670,940.78
  4. Step 4: Simplify right side
    14,865,771.37x = 177,888,168,957,438.34
  5. Step 5: Solve for x
    x = 177,888,168,957,438.34/14,865,771.37
  6. Step 6: Final answer
    x = 11,966,292.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.