Home / 13,582,548.10-20,374,806.30-8,179,564.60

Finding the Fourth Proportional to 13,582,548.10, 20,374,806.30 and 8,179,564.60

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Solution

The fourth proportional to 13,582,548.10, 20,374,806.30 and 8,179,564.60 is: 12,269,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,548.10 : 20,374,806.30 = 8,179,564.60 : x
  2. Step 2: Convert to fraction form
    13,582,548.10/20,374,806.30 = 8,179,564.60/x
  3. Step 3: Cross multiply
    13,582,548.10x = 20,374,806.30 × 8,179,564.60
  4. Step 4: Simplify right side
    13,582,548.10x = 166,657,044,343,336.97
  5. Step 5: Solve for x
    x = 166,657,044,343,336.97/13,582,548.10
  6. Step 6: Final answer
    x = 12,269,939.57

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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.