Finding the Fourth Proportional to 8,539,772.06, 11,783,721.56 and 5,101,283.18
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Solution
The fourth proportional to 8,539,772.06, 11,783,721.56 and 5,101,283.18 is: 7,039,075.54
Step by Step Solution
- Step 1: Write the proportion equation
8,539,772.06 : 11,783,721.56 = 5,101,283.18 : x - Step 2: Convert to fraction form
8,539,772.06/11,783,721.56 = 5,101,283.18/x - Step 3: Cross multiply
8,539,772.06x = 11,783,721.56 × 5,101,283.18 - Step 4: Simplify right side
8,539,772.06x = 60,112,100,591,831.36 - Step 5: Solve for x
x = 60,112,100,591,831.36/8,539,772.06 - Step 6: Final answer
x = 7,039,075.54
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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.