Finding the Fourth Proportional to 9,517,212.53, 14,281,217.99 and 5,140,297.68
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Solution
The fourth proportional to 9,517,212.53, 14,281,217.99 and 5,140,297.68 is: 7,713,362.65
Step by Step Solution
- Step 1: Write the proportion equation
9,517,212.53 : 14,281,217.99 = 5,140,297.68 : x - Step 2: Convert to fraction form
9,517,212.53/14,281,217.99 = 5,140,297.68/x - Step 3: Cross multiply
9,517,212.53x = 14,281,217.99 × 5,140,297.68 - Step 4: Simplify right side
9,517,212.53x = 73,409,711,701,571.27 - Step 5: Solve for x
x = 73,409,711,701,571.27/9,517,212.53 - Step 6: Final answer
x = 7,713,362.65
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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.