Home / 20,627,880.63-28,467,361.02-11,460,523.38

Finding the Fourth Proportional to 20,627,880.63, 28,467,361.02 and 11,460,523.38

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Solution

The fourth proportional to 20,627,880.63, 28,467,361.02 and 11,460,523.38 is: 15,816,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,880.63 : 28,467,361.02 = 11,460,523.38 : x
  2. Step 2: Convert to fraction form
    20,627,880.63/28,467,361.02 = 11,460,523.38/x
  3. Step 3: Cross multiply
    20,627,880.63x = 28,467,361.02 × 11,460,523.38
  4. Step 4: Simplify right side
    20,627,880.63x = 326,250,856,536,610.69
  5. Step 5: Solve for x
    x = 326,250,856,536,610.69/20,627,880.63
  6. Step 6: Final answer
    x = 15,816,014.37

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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.