Finding the Fourth Proportional to 8,486,283.04, 11,710,907.04 and 4,618,889.44
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Solution
The fourth proportional to 8,486,283.04, 11,710,907.04 and 4,618,889.44 is: 6,373,978.41
Step by Step Solution
- Step 1: Write the proportion equation
8,486,283.04 : 11,710,907.04 = 4,618,889.44 : x - Step 2: Convert to fraction form
8,486,283.04/11,710,907.04 = 4,618,889.44/x - Step 3: Cross multiply
8,486,283.04x = 11,710,907.04 × 4,618,889.44 - Step 4: Simplify right side
8,486,283.04x = 54,091,384,859,877.66 - Step 5: Solve for x
x = 54,091,384,859,877.66/8,486,283.04 - Step 6: Final answer
x = 6,373,978.41
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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.