Finding the Fourth Proportional to 8,880,185.70, 13,312,113.75 and 3,199,020.66
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Solution
The fourth proportional to 8,880,185.70, 13,312,113.75 and 3,199,020.66 is: 4,795,589.68
Step by Step Solution
- Step 1: Write the proportion equation
8,880,185.70 : 13,312,113.75 = 3,199,020.66 : x - Step 2: Convert to fraction form
8,880,185.70/13,312,113.75 = 3,199,020.66/x - Step 3: Cross multiply
8,880,185.70x = 13,312,113.75 × 3,199,020.66 - Step 4: Simplify right side
8,880,185.70x = 42,585,726,914,520.08 - Step 5: Solve for x
x = 42,585,726,914,520.08/8,880,185.70 - Step 6: Final answer
x = 4,795,589.68
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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.