Finding the Fourth Proportional to 17,555,207.49, 26,343,214.10 and 9,780,629.15
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Solution
The fourth proportional to 17,555,207.49, 26,343,214.10 and 9,780,629.15 is: 14,676,739.53
Step by Step Solution
- Step 1: Write the proportion equation
17,555,207.49 : 26,343,214.10 = 9,780,629.15 : x - Step 2: Convert to fraction form
17,555,207.49/26,343,214.10 = 9,780,629.15/x - Step 3: Cross multiply
17,555,207.49x = 26,343,214.10 × 9,780,629.15 - Step 4: Simplify right side
17,555,207.49x = 257,653,207,731,151.03 - Step 5: Solve for x
x = 257,653,207,731,151.03/17,555,207.49 - Step 6: Final answer
x = 14,676,739.53
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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.