Finding the Fourth Proportional to 12,624,091.92, 18,936,137.16 and 10,495,702.80
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Solution
The fourth proportional to 12,624,091.92, 18,936,137.16 and 10,495,702.80 is: 15,743,553.60
Step by Step Solution
- Step 1: Write the proportion equation
12,624,091.92 : 18,936,137.16 = 10,495,702.80 : x - Step 2: Convert to fraction form
12,624,091.92/18,936,137.16 = 10,495,702.80/x - Step 3: Cross multiply
12,624,091.92x = 18,936,137.16 × 10,495,702.80 - Step 4: Simplify right side
12,624,091.92x = 198,748,067,811,396.06 - Step 5: Solve for x
x = 198,748,067,811,396.06/12,624,091.92 - Step 6: Final answer
x = 15,743,553.60
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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.