Finding the Fourth Proportional to 8,237,767.88, 11,365,769.70 and 4,752,830.84
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Solution
The fourth proportional to 8,237,767.88, 11,365,769.70 and 4,752,830.84 is: 6,557,550.73
Step by Step Solution
- Step 1: Write the proportion equation
8,237,767.88 : 11,365,769.70 = 4,752,830.84 : x - Step 2: Convert to fraction form
8,237,767.88/11,365,769.70 = 4,752,830.84/x - Step 3: Cross multiply
8,237,767.88x = 11,365,769.70 × 4,752,830.84 - Step 4: Simplify right side
8,237,767.88x = 54,019,580,750,497.54 - Step 5: Solve for x
x = 54,019,580,750,497.54/8,237,767.88 - Step 6: Final answer
x = 6,557,550.73
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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.