Finding the Fourth Proportional to 13,802,626.26, 20,730,843.09 and 11,245,730.75
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Solution
The fourth proportional to 13,802,626.26, 20,730,843.09 and 11,245,730.75 is: 16,890,515.99
Step by Step Solution
- Step 1: Write the proportion equation
13,802,626.26 : 20,730,843.09 = 11,245,730.75 : x - Step 2: Convert to fraction form
13,802,626.26/20,730,843.09 = 11,245,730.75/x - Step 3: Cross multiply
13,802,626.26x = 20,730,843.09 × 11,245,730.75 - Step 4: Simplify right side
13,802,626.26x = 233,133,479,506,983.78 - Step 5: Solve for x
x = 233,133,479,506,983.78/13,802,626.26 - Step 6: Final answer
x = 16,890,515.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.