Finding the Fourth Proportional to 11,489,530.30, 17,236,822.65 and 3,403,138.30
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Solution
The fourth proportional to 11,489,530.30, 17,236,822.65 and 3,403,138.30 is: 5,105,455.99
Step by Step Solution
- Step 1: Write the proportion equation
11,489,530.30 : 17,236,822.65 = 3,403,138.30 : x - Step 2: Convert to fraction form
11,489,530.30/17,236,822.65 = 3,403,138.30/x - Step 3: Cross multiply
11,489,530.30x = 17,236,822.65 × 3,403,138.30 - Step 4: Simplify right side
11,489,530.30x = 58,659,291,330,522.48 - Step 5: Solve for x
x = 58,659,291,330,522.48/11,489,530.30 - Step 6: Final answer
x = 5,105,455.99
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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.