Finding the Fourth Proportional to 19,395,552, 26,783,163.18 and 18,476,749.56
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Solution
The fourth proportional to 19,395,552, 26,783,163.18 and 18,476,749.56 is: 25,514,396.21
Step by Step Solution
- Step 1: Write the proportion equation
19,395,552 : 26,783,163.18 = 18,476,749.56 : x - Step 2: Convert to fraction form
19,395,552/26,783,163.18 = 18,476,749.56/x - Step 3: Cross multiply
19,395,552x = 26,783,163.18 × 18,476,749.56 - Step 4: Simplify right side
19,395,552x = 494,865,798,501,473.19 - Step 5: Solve for x
x = 494,865,798,501,473.19/19,395,552 - Step 6: Final answer
x = 25,514,396.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.