Finding the Fourth Proportional to 18,027,133.86, 27,040,734.63 and 4,380,291.80
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Solution
The fourth proportional to 18,027,133.86, 27,040,734.63 and 4,380,291.80 is: 6,570,445.92
Step by Step Solution
- Step 1: Write the proportion equation
18,027,133.86 : 27,040,734.63 = 4,380,291.80 : x - Step 2: Convert to fraction form
18,027,133.86/27,040,734.63 = 4,380,291.80/x - Step 3: Cross multiply
18,027,133.86x = 27,040,734.63 × 4,380,291.80 - Step 4: Simplify right side
18,027,133.86x = 118,446,308,165,765.03 - Step 5: Solve for x
x = 118,446,308,165,765.03/18,027,133.86 - Step 6: Final answer
x = 6,570,445.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.