Finding the Fourth Proportional to 18,528,227.70, 27,792,341.55 and 17,268,515.70
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Solution
The fourth proportional to 18,528,227.70, 27,792,341.55 and 17,268,515.70 is: 25,902,773.55
Step by Step Solution
- Step 1: Write the proportion equation
18,528,227.70 : 27,792,341.55 = 17,268,515.70 : x - Step 2: Convert to fraction form
18,528,227.70/27,792,341.55 = 17,268,515.70/x - Step 3: Cross multiply
18,528,227.70x = 27,792,341.55 × 17,268,515.70 - Step 4: Simplify right side
18,528,227.70x = 479,932,486,395,937.31 - Step 5: Solve for x
x = 479,932,486,395,937.31/18,528,227.70 - Step 6: Final answer
x = 25,902,773.55
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1.5x scale
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.