Finding the Fourth Proportional to 7,790,791.36, 10,751,848.32 and 4,306,055.44
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Solution
The fourth proportional to 7,790,791.36, 10,751,848.32 and 4,306,055.44 is: 5,942,663.95
Step by Step Solution
- Step 1: Write the proportion equation
7,790,791.36 : 10,751,848.32 = 4,306,055.44 : x - Step 2: Convert to fraction form
7,790,791.36/10,751,848.32 = 4,306,055.44/x - Step 3: Cross multiply
7,790,791.36x = 10,751,848.32 × 4,306,055.44 - Step 4: Simplify right side
7,790,791.36x = 46,298,054,948,390.87 - Step 5: Solve for x
x = 46,298,054,948,390.87/7,790,791.36 - Step 6: Final answer
x = 5,942,663.95
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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.