Finding the Fourth Proportional to 9,862,169.68, 13,609,812.63 and 5,511,255.99
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Solution
The fourth proportional to 9,862,169.68, 13,609,812.63 and 5,511,255.99 is: 7,605,543.59
Step by Step Solution
- Step 1: Write the proportion equation
9,862,169.68 : 13,609,812.63 = 5,511,255.99 : x - Step 2: Convert to fraction form
9,862,169.68/13,609,812.63 = 5,511,255.99/x - Step 3: Cross multiply
9,862,169.68x = 13,609,812.63 × 5,511,255.99 - Step 4: Simplify right side
9,862,169.68x = 75,007,161,379,865.16 - Step 5: Solve for x
x = 75,007,161,379,865.16/9,862,169.68 - Step 6: Final answer
x = 7,605,543.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.