Home / 13,701,188.39-18,907,633.43-8,194,563.14

Finding the Fourth Proportional to 13,701,188.39, 18,907,633.43 and 8,194,563.14

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Solution

The fourth proportional to 13,701,188.39, 18,907,633.43 and 8,194,563.14 is: 11,308,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,188.39 : 18,907,633.43 = 8,194,563.14 : x
  2. Step 2: Convert to fraction form
    13,701,188.39/18,907,633.43 = 8,194,563.14/x
  3. Step 3: Cross multiply
    13,701,188.39x = 18,907,633.43 × 8,194,563.14
  4. Step 4: Simplify right side
    13,701,188.39x = 154,939,795,896,058
  5. Step 5: Solve for x
    x = 154,939,795,896,058/13,701,188.39
  6. Step 6: Final answer
    x = 11,308,493.21

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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.