Finding the Fourth Proportional to 44,491,690.80, 66,713,153.58 and 13,777,743.60
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Solution
The fourth proportional to 44,491,690.80, 66,713,153.58 and 13,777,743.60 is: 20,659,064.83
Step by Step Solution
- Step 1: Write the proportion equation
44,491,690.80 : 66,713,153.58 = 13,777,743.60 : x - Step 2: Convert to fraction form
44,491,690.80/66,713,153.58 = 13,777,743.60/x - Step 3: Cross multiply
44,491,690.80x = 66,713,153.58 × 13,777,743.60 - Step 4: Simplify right side
44,491,690.80x = 919,156,724,772,662 - Step 5: Solve for x
x = 919,156,724,772,662/44,491,690.80 - Step 6: Final answer
x = 20,659,064.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.