Finding the Fourth Proportional to 18,752,151.18, 28,268,775.53 and 17,502,226.14
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Solution
The fourth proportional to 18,752,151.18, 28,268,775.53 and 17,502,226.14 is: 26,384,519.68
Step by Step Solution
- Step 1: Write the proportion equation
18,752,151.18 : 28,268,775.53 = 17,502,226.14 : x - Step 2: Convert to fraction form
18,752,151.18/28,268,775.53 = 17,502,226.14/x - Step 3: Cross multiply
18,752,151.18x = 28,268,775.53 × 17,502,226.14 - Step 4: Simplify right side
18,752,151.18x = 494,766,501,939,447.19 - Step 5: Solve for x
x = 494,766,501,939,447.19/18,752,151.18 - Step 6: Final answer
x = 26,384,519.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.