Finding the Fourth Proportional to 7,438,180.93, 10,264,126.85 and 4,174,365.09
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Solution
The fourth proportional to 7,438,180.93, 10,264,126.85 and 4,174,365.09 is: 5,760,307.96
Step by Step Solution
- Step 1: Write the proportion equation
7,438,180.93 : 10,264,126.85 = 4,174,365.09 : x - Step 2: Convert to fraction form
7,438,180.93/10,264,126.85 = 4,174,365.09/x - Step 3: Cross multiply
7,438,180.93x = 10,264,126.85 × 4,174,365.09 - Step 4: Simplify right side
7,438,180.93x = 42,846,212,838,067.89 - Step 5: Solve for x
x = 42,846,212,838,067.89/7,438,180.93 - Step 6: Final answer
x = 5,760,307.96
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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.