Finding the Fourth Proportional to 18,027,199.83, 27,040,799.70 and 4,380,276.09
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Solution
The fourth proportional to 18,027,199.83, 27,040,799.70 and 4,380,276.09 is: 6,570,414.12
Step by Step Solution
- Step 1: Write the proportion equation
18,027,199.83 : 27,040,799.70 = 4,380,276.09 : x - Step 2: Convert to fraction form
18,027,199.83/27,040,799.70 = 4,380,276.09/x - Step 3: Cross multiply
18,027,199.83x = 27,040,799.70 × 4,380,276.09 - Step 4: Simplify right side
18,027,199.83x = 118,446,168,380,389.17 - Step 5: Solve for x
x = 118,446,168,380,389.17/18,027,199.83 - Step 6: Final answer
x = 6,570,414.12
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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.