Finding the Fourth Proportional to 19,373,252.27, 29,059,918.38 and 18,189,467.44
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Solution
The fourth proportional to 19,373,252.27, 29,059,918.38 and 18,189,467.44 is: 27,284,238.69
Step by Step Solution
- Step 1: Write the proportion equation
19,373,252.27 : 29,059,918.38 = 18,189,467.44 : x - Step 2: Convert to fraction form
19,373,252.27/29,059,918.38 = 18,189,467.44/x - Step 3: Cross multiply
19,373,252.27x = 29,059,918.38 × 18,189,467.44 - Step 4: Simplify right side
19,373,252.27x = 528,584,439,182,067.56 - Step 5: Solve for x
x = 528,584,439,182,067.56/19,373,252.27 - Step 6: Final answer
x = 27,284,238.69
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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.