Home / 18,372,493.89-27,554,630.63-5,415,880.30

Finding the Fourth Proportional to 18,372,493.89, 27,554,630.63 and 5,415,880.30

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Solution

The fourth proportional to 18,372,493.89, 27,554,630.63 and 5,415,880.30 is: 8,122,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,493.89 : 27,554,630.63 = 5,415,880.30 : x
  2. Step 2: Convert to fraction form
    18,372,493.89/27,554,630.63 = 5,415,880.30/x
  3. Step 3: Cross multiply
    18,372,493.89x = 27,554,630.63 × 5,415,880.30
  4. Step 4: Simplify right side
    18,372,493.89x = 149,232,581,106,827.62
  5. Step 5: Solve for x
    x = 149,232,581,106,827.62/18,372,493.89
  6. Step 6: Final answer
    x = 8,122,608.83

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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.