Home / 14,504,638.78-21,749,470.94-4,268,168.28

Finding the Fourth Proportional to 14,504,638.78, 21,749,470.94 and 4,268,168.28

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Solution

The fourth proportional to 14,504,638.78, 21,749,470.94 and 4,268,168.28 is: 6,400,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504,638.78 : 21,749,470.94 = 4,268,168.28 : x
  2. Step 2: Convert to fraction form
    14,504,638.78/21,749,470.94 = 4,268,168.28/x
  3. Step 3: Cross multiply
    14,504,638.78x = 21,749,470.94 × 4,268,168.28
  4. Step 4: Simplify right side
    14,504,638.78x = 92,830,401,972,889.80
  5. Step 5: Solve for x
    x = 92,830,401,972,889.80/14,504,638.78
  6. Step 6: Final answer
    x = 6,400,049.21

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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.