Finding the Fourth Proportional to 8,126,294.40, 11,207,022.64 and 5,375,791.98
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Solution
The fourth proportional to 8,126,294.40, 11,207,022.64 and 5,375,791.98 is: 7,413,787.82
Step by Step Solution
- Step 1: Write the proportion equation
8,126,294.40 : 11,207,022.64 = 5,375,791.98 : x - Step 2: Convert to fraction form
8,126,294.40/11,207,022.64 = 5,375,791.98/x - Step 3: Cross multiply
8,126,294.40x = 11,207,022.64 × 5,375,791.98 - Step 4: Simplify right side
8,126,294.40x = 60,246,622,414,350.95 - Step 5: Solve for x
x = 60,246,622,414,350.95/8,126,294.40 - Step 6: Final answer
x = 7,413,787.82
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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.