Finding the Fourth Proportional to 18,495,999.40, 27,743,999.10 and 14,688,869.80
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Solution
The fourth proportional to 18,495,999.40, 27,743,999.10 and 14,688,869.80 is: 22,033,304.70
Step by Step Solution
- Step 1: Write the proportion equation
18,495,999.40 : 27,743,999.10 = 14,688,869.80 : x - Step 2: Convert to fraction form
18,495,999.40/27,743,999.10 = 14,688,869.80/x - Step 3: Cross multiply
18,495,999.40x = 27,743,999.10 × 14,688,869.80 - Step 4: Simplify right side
18,495,999.40x = 407,527,990,511,217.25 - Step 5: Solve for x
x = 407,527,990,511,217.25/18,495,999.40 - Step 6: Final answer
x = 22,033,304.70
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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.