Finding the Fourth Proportional to 36,213,546.30, 54,320,319.45 and 19,207,434.30
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Solution
The fourth proportional to 36,213,546.30, 54,320,319.45 and 19,207,434.30 is: 28,811,151.45
Step by Step Solution
- Step 1: Write the proportion equation
36,213,546.30 : 54,320,319.45 = 19,207,434.30 : x - Step 2: Convert to fraction form
36,213,546.30/54,320,319.45 = 19,207,434.30/x - Step 3: Cross multiply
36,213,546.30x = 54,320,319.45 × 19,207,434.30 - Step 4: Simplify right side
36,213,546.30x = 1,043,353,966,990,887.25 - Step 5: Solve for x
x = 1,043,353,966,990,887.25/36,213,546.30 - Step 6: Final answer
x = 28,811,151.45
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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.