Finding the Fourth Proportional to 36,465,321.60, 54,706,276.80 and 21,311,452.80
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Solution
The fourth proportional to 36,465,321.60, 54,706,276.80 and 21,311,452.80 is: 31,972,026.70
Step by Step Solution
- Step 1: Write the proportion equation
36,465,321.60 : 54,706,276.80 = 21,311,452.80 : x - Step 2: Convert to fraction form
36,465,321.60/54,706,276.80 = 21,311,452.80/x - Step 3: Cross multiply
36,465,321.60x = 54,706,276.80 × 21,311,452.80 - Step 4: Simplify right side
36,465,321.60x = 1,165,870,235,886,935 - Step 5: Solve for x
x = 1,165,870,235,886,935/36,465,321.60 - Step 6: Final answer
x = 31,972,026.70
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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.