Finding the Fourth Proportional to 19,691,791.54, 29,542,326.94 and 6,738,083.25
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Solution
The fourth proportional to 19,691,791.54, 29,542,326.94 and 6,738,083.25 is: 10,108,712.45
Step by Step Solution
- Step 1: Write the proportion equation
19,691,791.54 : 29,542,326.94 = 6,738,083.25 : x - Step 2: Convert to fraction form
19,691,791.54/29,542,326.94 = 6,738,083.25/x - Step 3: Cross multiply
19,691,791.54x = 29,542,326.94 × 6,738,083.25 - Step 4: Simplify right side
19,691,791.54x = 199,058,658,218,076.62 - Step 5: Solve for x
x = 199,058,658,218,076.62/19,691,791.54 - Step 6: Final answer
x = 10,108,712.45
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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.