Finding the Fourth Proportional to 11,845,891.15, 17,769,921.11 and 3,326,170.21
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Solution
The fourth proportional to 11,845,891.15, 17,769,921.11 and 3,326,170.21 is: 4,989,559.80
Step by Step Solution
- Step 1: Write the proportion equation
11,845,891.15 : 17,769,921.11 = 3,326,170.21 : x - Step 2: Convert to fraction form
11,845,891.15/17,769,921.11 = 3,326,170.21/x - Step 3: Cross multiply
11,845,891.15x = 17,769,921.11 × 3,326,170.21 - Step 4: Simplify right side
11,845,891.15x = 59,105,782,230,132.13 - Step 5: Solve for x
x = 59,105,782,230,132.13/11,845,891.15 - Step 6: Final answer
x = 4,989,559.80
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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.