Finding the Fourth Proportional to 7,134,452.36, 9,845,514.69 and 4,236,229.02
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Solution
The fourth proportional to 7,134,452.36, 9,845,514.69 and 4,236,229.02 is: 5,845,978.50
Step by Step Solution
- Step 1: Write the proportion equation
7,134,452.36 : 9,845,514.69 = 4,236,229.02 : x - Step 2: Convert to fraction form
7,134,452.36/9,845,514.69 = 4,236,229.02/x - Step 3: Cross multiply
7,134,452.36x = 9,845,514.69 × 4,236,229.02 - Step 4: Simplify right side
7,134,452.36x = 41,707,855,046,614.30 - Step 5: Solve for x
x = 41,707,855,046,614.30/7,134,452.36 - Step 6: Final answer
x = 5,845,978.50
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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.