Home / 13,099,266.45-18,076,563.93-7,518,431.64

Finding the Fourth Proportional to 13,099,266.45, 18,076,563.93 and 7,518,431.64

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Solution

The fourth proportional to 13,099,266.45, 18,076,563.93 and 7,518,431.64 is: 10,375,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,266.45 : 18,076,563.93 = 7,518,431.64 : x
  2. Step 2: Convert to fraction form
    13,099,266.45/18,076,563.93 = 7,518,431.64/x
  3. Step 3: Cross multiply
    13,099,266.45x = 18,076,563.93 × 7,518,431.64
  4. Step 4: Simplify right side
    13,099,266.45x = 135,907,410,193,794.73
  5. Step 5: Solve for x
    x = 135,907,410,193,794.73/13,099,266.45
  6. Step 6: Final answer
    x = 10,375,192.44

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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.