Home / 13,321,906.44-18,384,676.02-8,164,271.40

Finding the Fourth Proportional to 13,321,906.44, 18,384,676.02 and 8,164,271.40

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Solution

The fourth proportional to 13,321,906.44, 18,384,676.02 and 8,164,271.40 is: 11,266,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,906.44 : 18,384,676.02 = 8,164,271.40 : x
  2. Step 2: Convert to fraction form
    13,321,906.44/18,384,676.02 = 8,164,271.40/x
  3. Step 3: Cross multiply
    13,321,906.44x = 18,384,676.02 × 8,164,271.40
  4. Step 4: Simplify right side
    13,321,906.44x = 150,097,484,628,351.84
  5. Step 5: Solve for x
    x = 150,097,484,628,351.84/13,321,906.44
  6. Step 6: Final answer
    x = 11,266,967.33

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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.