Finding the Fourth Proportional to 22,476,498.53, 31,017,566.97 and 12,163,221.92
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Solution
The fourth proportional to 22,476,498.53, 31,017,566.97 and 12,163,221.92 is: 16,785,245.70
Step by Step Solution
- Step 1: Write the proportion equation
22,476,498.53 : 31,017,566.97 = 12,163,221.92 : x - Step 2: Convert to fraction form
22,476,498.53/31,017,566.97 = 12,163,221.92/x - Step 3: Cross multiply
22,476,498.53x = 31,017,566.97 × 12,163,221.92 - Step 4: Simplify right side
22,476,498.53x = 377,273,550,319,484.12 - Step 5: Solve for x
x = 377,273,550,319,484.12/22,476,498.53 - Step 6: Final answer
x = 16,785,245.70
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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.