Finding the Fourth Proportional to 11,687,302.17, 17,530,953.30 and 3,167,638.65
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Solution
The fourth proportional to 11,687,302.17, 17,530,953.30 and 3,167,638.65 is: 4,751,457.99
Step by Step Solution
- Step 1: Write the proportion equation
11,687,302.17 : 17,530,953.30 = 3,167,638.65 : x - Step 2: Convert to fraction form
11,687,302.17/17,530,953.30 = 3,167,638.65/x - Step 3: Cross multiply
11,687,302.17x = 17,530,953.30 × 3,167,638.65 - Step 4: Simplify right side
11,687,302.17x = 55,531,725,244,425.05 - Step 5: Solve for x
x = 55,531,725,244,425.05/11,687,302.17 - Step 6: Final answer
x = 4,751,457.99
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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.