Finding the Fourth Proportional to 11,613,320.91, 17,418,855.70 and 3,526,367.63
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Solution
The fourth proportional to 11,613,320.91, 17,418,855.70 and 3,526,367.63 is: 5,289,209.64
Step by Step Solution
- Step 1: Write the proportion equation
11,613,320.91 : 17,418,855.70 = 3,526,367.63 : x - Step 2: Convert to fraction form
11,613,320.91/17,418,855.70 = 3,526,367.63/x - Step 3: Cross multiply
11,613,320.91x = 17,418,855.70 × 3,526,367.63 - Step 4: Simplify right side
11,613,320.91x = 61,425,288,858,425.21 - Step 5: Solve for x
x = 61,425,288,858,425.21/11,613,320.91 - Step 6: Final answer
x = 5,289,209.64
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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.