Finding the Fourth Proportional to 17,691,844.80, 24,415,531.39 and 9,957,388.08
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Solution
The fourth proportional to 17,691,844.80, 24,415,531.39 and 9,957,388.08 is: 13,741,637.68
Step by Step Solution
- Step 1: Write the proportion equation
17,691,844.80 : 24,415,531.39 = 9,957,388.08 : x - Step 2: Convert to fraction form
17,691,844.80/24,415,531.39 = 9,957,388.08/x - Step 3: Cross multiply
17,691,844.80x = 24,415,531.39 × 9,957,388.08 - Step 4: Simplify right side
17,691,844.80x = 243,114,921,107,574.16 - Step 5: Solve for x
x = 243,114,921,107,574.16/17,691,844.80 - Step 6: Final answer
x = 13,741,637.68
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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.