Finding the Fourth Proportional to 27,748,683.51, 41,622,027.39 and 7,278,239.58
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Solution
The fourth proportional to 27,748,683.51, 41,622,027.39 and 7,278,239.58 is: 10,917,097.64
Step by Step Solution
- Step 1: Write the proportion equation
27,748,683.51 : 41,622,027.39 = 7,278,239.58 : x - Step 2: Convert to fraction form
27,748,683.51/41,622,027.39 = 7,278,239.58/x - Step 3: Cross multiply
27,748,683.51x = 41,622,027.39 × 7,278,239.58 - Step 4: Simplify right side
27,748,683.51x = 302,935,087,149,742.12 - Step 5: Solve for x
x = 302,935,087,149,742.12/27,748,683.51 - Step 6: Final answer
x = 10,917,097.64
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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.