Finding the Fourth Proportional to 25,286,366.43, 34,895,272.46 and 13,683,926.84
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Solution
The fourth proportional to 25,286,366.43, 34,895,272.46 and 13,683,926.84 is: 18,883,865.99
Step by Step Solution
- Step 1: Write the proportion equation
25,286,366.43 : 34,895,272.46 = 13,683,926.84 : x - Step 2: Convert to fraction form
25,286,366.43/34,895,272.46 = 13,683,926.84/x - Step 3: Cross multiply
25,286,366.43x = 34,895,272.46 × 13,683,926.84 - Step 4: Simplify right side
25,286,366.43x = 477,504,355,161,610.81 - Step 5: Solve for x
x = 477,504,355,161,610.81/25,286,366.43 - Step 6: Final answer
x = 18,883,865.99
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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.