Home / 12,492,080.15-18,738,120.23-12,492,080.15

Finding the Fourth Proportional to 12,492,080.15, 18,738,120.23 and 12,492,080.15

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Solution

The fourth proportional to 12,492,080.15, 18,738,120.23 and 12,492,080.15 is: 18,738,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,080.15 : 18,738,120.23 = 12,492,080.15 : x
  2. Step 2: Convert to fraction form
    12,492,080.15/18,738,120.23 = 12,492,080.15/x
  3. Step 3: Cross multiply
    12,492,080.15x = 18,738,120.23 × 12,492,080.15
  4. Step 4: Simplify right side
    12,492,080.15x = 234,078,099,773,496.44
  5. Step 5: Solve for x
    x = 234,078,099,773,496.44/12,492,080.15
  6. Step 6: Final answer
    x = 18,738,120.23

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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.