Finding the Fourth Proportional to 35,129,639.85, 48,477,861.80 and 19,449,363.19
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Solution
The fourth proportional to 35,129,639.85, 48,477,861.80 and 19,449,363.19 is: 26,839,544.74
Step by Step Solution
- Step 1: Write the proportion equation
35,129,639.85 : 48,477,861.80 = 19,449,363.19 : x - Step 2: Convert to fraction form
35,129,639.85/48,477,861.80 = 19,449,363.19/x - Step 3: Cross multiply
35,129,639.85x = 48,477,861.80 × 19,449,363.19 - Step 4: Simplify right side
35,129,639.85x = 942,863,540,604,385.75 - Step 5: Solve for x
x = 942,863,540,604,385.75/35,129,639.85 - Step 6: Final answer
x = 26,839,544.74
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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.