Finding the Fourth Proportional to 11,917,327.55, 16,444,576.19 and 7,022,231.06
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Solution
The fourth proportional to 11,917,327.55, 16,444,576.19 and 7,022,231.06 is: 9,689,891.73
Step by Step Solution
- Step 1: Write the proportion equation
11,917,327.55 : 16,444,576.19 = 7,022,231.06 : x - Step 2: Convert to fraction form
11,917,327.55/16,444,576.19 = 7,022,231.06/x - Step 3: Cross multiply
11,917,327.55x = 16,444,576.19 × 7,022,231.06 - Step 4: Simplify right side
11,917,327.55x = 115,477,613,625,287.16 - Step 5: Solve for x
x = 115,477,613,625,287.16/11,917,327.55 - Step 6: Final answer
x = 9,689,891.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.