Finding the Fourth Proportional to 8,829,560.73, 12,177,206.34 and 5,729,028.96
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Solution
The fourth proportional to 8,829,560.73, 12,177,206.34 and 5,729,028.96 is: 7,901,136.86
Step by Step Solution
- Step 1: Write the proportion equation
8,829,560.73 : 12,177,206.34 = 5,729,028.96 : x - Step 2: Convert to fraction form
8,829,560.73/12,177,206.34 = 5,729,028.96/x - Step 3: Cross multiply
8,829,560.73x = 12,177,206.34 × 5,729,028.96 - Step 4: Simplify right side
8,829,560.73x = 69,763,567,773,755.60 - Step 5: Solve for x
x = 69,763,567,773,755.60/8,829,560.73 - Step 6: Final answer
x = 7,901,136.86
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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.