Finding the Fourth Proportional to 8,415,578.14, 11,608,112.49 and 5,836,317.82
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Solution
The fourth proportional to 8,415,578.14, 11,608,112.49 and 5,836,317.82 is: 8,050,383.78
Step by Step Solution
- Step 1: Write the proportion equation
8,415,578.14 : 11,608,112.49 = 5,836,317.82 : x - Step 2: Convert to fraction form
8,415,578.14/11,608,112.49 = 5,836,317.82/x - Step 3: Cross multiply
8,415,578.14x = 11,608,112.49 × 5,836,317.82 - Step 4: Simplify right side
8,415,578.14x = 67,748,633,781,951.58 - Step 5: Solve for x
x = 67,748,633,781,951.58/8,415,578.14 - Step 6: Final answer
x = 8,050,383.78
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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.