Finding the Fourth Proportional to 11,687,294.17, 17,530,941.30 and 3,167,630.65
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Solution
The fourth proportional to 11,687,294.17, 17,530,941.30 and 3,167,630.65 is: 4,751,445.99
Step by Step Solution
- Step 1: Write the proportion equation
11,687,294.17 : 17,530,941.30 = 3,167,630.65 : x - Step 2: Convert to fraction form
11,687,294.17/17,530,941.30 = 3,167,630.65/x - Step 3: Cross multiply
11,687,294.17x = 17,530,941.30 × 3,167,630.65 - Step 4: Simplify right side
11,687,294.17x = 55,531,546,985,230.84 - Step 5: Solve for x
x = 55,531,546,985,230.84/11,687,294.17 - Step 6: Final answer
x = 4,751,445.99
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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.