Finding the Fourth Proportional to 10,672,149.60, 14,727,563.19 and 5,777,368.02
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Solution
The fourth proportional to 10,672,149.60, 14,727,563.19 and 5,777,368.02 is: 7,972,766.10
Step by Step Solution
- Step 1: Write the proportion equation
10,672,149.60 : 14,727,563.19 = 5,777,368.02 : x - Step 2: Convert to fraction form
10,672,149.60/14,727,563.19 = 5,777,368.02/x - Step 3: Cross multiply
10,672,149.60x = 14,727,563.19 × 5,777,368.02 - Step 4: Simplify right side
10,672,149.60x = 85,086,552,586,435.17 - Step 5: Solve for x
x = 85,086,552,586,435.17/10,672,149.60 - Step 6: Final answer
x = 7,972,766.10
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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.