Finding the Fourth Proportional to 22,476,299.40, 31,017,293.16 and 12,163,022.48
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Solution
The fourth proportional to 22,476,299.40, 31,017,293.16 and 12,163,022.48 is: 16,784,971.02
Step by Step Solution
- Step 1: Write the proportion equation
22,476,299.40 : 31,017,293.16 = 12,163,022.48 : x - Step 2: Convert to fraction form
22,476,299.40/31,017,293.16 = 12,163,022.48/x - Step 3: Cross multiply
22,476,299.40x = 31,017,293.16 × 12,163,022.48 - Step 4: Simplify right side
22,476,299.40x = 377,264,033,973,830.25 - Step 5: Solve for x
x = 377,264,033,973,830.25/22,476,299.40 - Step 6: Final answer
x = 16,784,971.02
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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.