Finding the Fourth Proportional to 6,129,383.04, 8,458,548.16 and 3,552,558.48
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Solution
The fourth proportional to 6,129,383.04, 8,458,548.16 and 3,552,558.48 is: 4,902,530.45
Step by Step Solution
- Step 1: Write the proportion equation
6,129,383.04 : 8,458,548.16 = 3,552,558.48 : x - Step 2: Convert to fraction form
6,129,383.04/8,458,548.16 = 3,552,558.48/x - Step 3: Cross multiply
6,129,383.04x = 8,458,548.16 × 3,552,558.48 - Step 4: Simplify right side
6,129,383.04x = 30,049,486,994,296.40 - Step 5: Solve for x
x = 30,049,486,994,296.40/6,129,383.04 - Step 6: Final answer
x = 4,902,530.45
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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.