Home / 13,664,560.44-18,858,968.46-7,863,223.80

Finding the Fourth Proportional to 13,664,560.44, 18,858,968.46 and 7,863,223.80

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Solution

The fourth proportional to 13,664,560.44, 18,858,968.46 and 7,863,223.80 is: 10,852,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,560.44 : 18,858,968.46 = 7,863,223.80 : x
  2. Step 2: Convert to fraction form
    13,664,560.44/18,858,968.46 = 7,863,223.80/x
  3. Step 3: Cross multiply
    13,664,560.44x = 18,858,968.46 × 7,863,223.80
  4. Step 4: Simplify right side
    13,664,560.44x = 148,292,289,638,121.34
  5. Step 5: Solve for x
    x = 148,292,289,638,121.34/13,664,560.44
  6. Step 6: Final answer
    x = 10,852,327.84

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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.