Home / 13,588,786.20-18,751,962.72-7,393,858.41

Finding the Fourth Proportional to 13,588,786.20, 18,751,962.72 and 7,393,858.41

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Solution

The fourth proportional to 13,588,786.20, 18,751,962.72 and 7,393,858.41 is: 10,203,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588,786.20 : 18,751,962.72 = 7,393,858.41 : x
  2. Step 2: Convert to fraction form
    13,588,786.20/18,751,962.72 = 7,393,858.41/x
  3. Step 3: Cross multiply
    13,588,786.20x = 18,751,962.72 × 7,393,858.41
  4. Step 4: Simplify right side
    13,588,786.20x = 138,649,357,261,278.47
  5. Step 5: Solve for x
    x = 138,649,357,261,278.47/13,588,786.20
  6. Step 6: Final answer
    x = 10,203,218.68

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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.