Home / 14,351,190.78-21,505,520-11,810,460.54

Finding the Fourth Proportional to 14,351,190.78, 21,505,520 and 11,810,460.54

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Solution

The fourth proportional to 14,351,190.78, 21,505,520 and 11,810,460.54 is: 17,698,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351,190.78 : 21,505,520 = 11,810,460.54 : x
  2. Step 2: Convert to fraction form
    14,351,190.78/21,505,520 = 11,810,460.54/x
  3. Step 3: Cross multiply
    14,351,190.78x = 21,505,520 × 11,810,460.54
  4. Step 4: Simplify right side
    14,351,190.78x = 253,990,095,352,180.78
  5. Step 5: Solve for x
    x = 253,990,095,352,180.78/14,351,190.78
  6. Step 6: Final answer
    x = 17,698,189.60

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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.