Finding the Fourth Proportional to 18,970,657.26, 26,183,053.62 and 10,821,895.26
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Solution
The fourth proportional to 18,970,657.26, 26,183,053.62 and 10,821,895.26 is: 14,936,238.63
Step by Step Solution
- Step 1: Write the proportion equation
18,970,657.26 : 26,183,053.62 = 10,821,895.26 : x - Step 2: Convert to fraction form
18,970,657.26/26,183,053.62 = 10,821,895.26/x - Step 3: Cross multiply
18,970,657.26x = 26,183,053.62 × 10,821,895.26 - Step 4: Simplify right side
18,970,657.26x = 283,350,263,862,603.88 - Step 5: Solve for x
x = 283,350,263,862,603.88/18,970,657.26 - Step 6: Final answer
x = 14,936,238.63
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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.