Finding the Fourth Proportional to 9,163,426.80, 12,644,791.48 and 5,296,198.44
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Solution
The fourth proportional to 9,163,426.80, 12,644,791.48 and 5,296,198.44 is: 7,308,327.59
Step by Step Solution
- Step 1: Write the proportion equation
9,163,426.80 : 12,644,791.48 = 5,296,198.44 : x - Step 2: Convert to fraction form
9,163,426.80/12,644,791.48 = 5,296,198.44/x - Step 3: Cross multiply
9,163,426.80x = 12,644,791.48 × 5,296,198.44 - Step 4: Simplify right side
9,163,426.80x = 66,969,324,910,501.30 - Step 5: Solve for x
x = 66,969,324,910,501.30/9,163,426.80 - Step 6: Final answer
x = 7,308,327.59
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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.