Home / 21,076,105.50-29,085,074.19-11,784,006.63

Finding the Fourth Proportional to 21,076,105.50, 29,085,074.19 and 11,784,006.63

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Solution

The fourth proportional to 21,076,105.50, 29,085,074.19 and 11,784,006.63 is: 16,261,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076,105.50 : 29,085,074.19 = 11,784,006.63 : x
  2. Step 2: Convert to fraction form
    21,076,105.50/29,085,074.19 = 11,784,006.63/x
  3. Step 3: Cross multiply
    21,076,105.50x = 29,085,074.19 × 11,784,006.63
  4. Step 4: Simplify right side
    21,076,105.50x = 342,738,707,089,001.94
  5. Step 5: Solve for x
    x = 342,738,707,089,001.94/21,076,105.50
  6. Step 6: Final answer
    x = 16,261,956.32

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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.