Finding the Fourth Proportional to 36,291,948.12, 50,082,738.30 and 19,772,021.97
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Solution
The fourth proportional to 36,291,948.12, 50,082,738.30 and 19,772,021.97 is: 27,285,308.54
Step by Step Solution
- Step 1: Write the proportion equation
36,291,948.12 : 50,082,738.30 = 19,772,021.97 : x - Step 2: Convert to fraction form
36,291,948.12/50,082,738.30 = 19,772,021.97/x - Step 3: Cross multiply
36,291,948.12x = 50,082,738.30 × 19,772,021.97 - Step 4: Simplify right side
36,291,948.12x = 990,237,001,985,360.38 - Step 5: Solve for x
x = 990,237,001,985,360.38/36,291,948.12 - Step 6: Final answer
x = 27,285,308.54
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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.