Home / 13,147,076.80-19,720,615.20-10,907,588.80

Finding the Fourth Proportional to 13,147,076.80, 19,720,615.20 and 10,907,588.80

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Solution

The fourth proportional to 13,147,076.80, 19,720,615.20 and 10,907,588.80 is: 16,361,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,076.80 : 19,720,615.20 = 10,907,588.80 : x
  2. Step 2: Convert to fraction form
    13,147,076.80/19,720,615.20 = 10,907,588.80/x
  3. Step 3: Cross multiply
    13,147,076.80x = 19,720,615.20 × 10,907,588.80
  4. Step 4: Simplify right side
    13,147,076.80x = 215,104,361,484,629.78
  5. Step 5: Solve for x
    x = 215,104,361,484,629.78/13,147,076.80
  6. Step 6: Final answer
    x = 16,361,383.20

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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.