Finding the Fourth Proportional to 22,476,517.98, 31,017,593.79 and 12,163,241.35
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Solution
The fourth proportional to 22,476,517.98, 31,017,593.79 and 12,163,241.35 is: 16,785,272.51
Step by Step Solution
- Step 1: Write the proportion equation
22,476,517.98 : 31,017,593.79 = 12,163,241.35 : x - Step 2: Convert to fraction form
22,476,517.98/31,017,593.79 = 12,163,241.35/x - Step 3: Cross multiply
22,476,517.98x = 31,017,593.79 × 12,163,241.35 - Step 4: Simplify right side
22,476,517.98x = 377,274,479,364,031.19 - Step 5: Solve for x
x = 377,274,479,364,031.19/22,476,517.98 - Step 6: Final answer
x = 16,785,272.51
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1.5x scale
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.