Finding the Fourth Proportional to 44,293,478.40, 66,440,217.60 and 18,725,990.40
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Solution
The fourth proportional to 44,293,478.40, 66,440,217.60 and 18,725,990.40 is: 28,088,985.60
Step by Step Solution
- Step 1: Write the proportion equation
44,293,478.40 : 66,440,217.60 = 18,725,990.40 : x - Step 2: Convert to fraction form
44,293,478.40/66,440,217.60 = 18,725,990.40/x - Step 3: Cross multiply
44,293,478.40x = 66,440,217.60 × 18,725,990.40 - Step 4: Simplify right side
44,293,478.40x = 1,244,158,876,951,511 - Step 5: Solve for x
x = 1,244,158,876,951,511/44,293,478.40 - Step 6: Final answer
x = 28,088,985.60
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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.