Finding the Fourth Proportional to 36,219,803.40, 54,392,690.70 and 19,213,691.40
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Solution
The fourth proportional to 36,219,803.40, 54,392,690.70 and 19,213,691.40 is: 28,853,949.37
Step by Step Solution
- Step 1: Write the proportion equation
36,219,803.40 : 54,392,690.70 = 19,213,691.40 : x - Step 2: Convert to fraction form
36,219,803.40/54,392,690.70 = 19,213,691.40/x - Step 3: Cross multiply
36,219,803.40x = 54,392,690.70 × 19,213,691.40 - Step 4: Simplify right side
36,219,803.40x = 1,045,084,373,525,450 - Step 5: Solve for x
x = 1,045,084,373,525,450/36,219,803.40 - Step 6: Final answer
x = 28,853,949.37
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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.