Home / 12,299,748.10-18,449,622.15-12,110,791.30

Finding the Fourth Proportional to 12,299,748.10, 18,449,622.15 and 12,110,791.30

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Solution

The fourth proportional to 12,299,748.10, 18,449,622.15 and 12,110,791.30 is: 18,166,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,748.10 : 18,449,622.15 = 12,110,791.30 : x
  2. Step 2: Convert to fraction form
    12,299,748.10/18,449,622.15 = 12,110,791.30/x
  3. Step 3: Cross multiply
    12,299,748.10x = 18,449,622.15 × 12,110,791.30
  4. Step 4: Simplify right side
    12,299,748.10x = 223,439,523,422,507.28
  5. Step 5: Solve for x
    x = 223,439,523,422,507.28/12,299,748.10
  6. Step 6: Final answer
    x = 18,166,186.95

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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.