Finding the Fourth Proportional to 32,138,895.25, 44,354,410.70 and 18,202,729.42
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Solution
The fourth proportional to 32,138,895.25, 44,354,410.70 and 18,202,729.42 is: 25,121,315.78
Step by Step Solution
- Step 1: Write the proportion equation
32,138,895.25 : 44,354,410.70 = 18,202,729.42 : x - Step 2: Convert to fraction form
32,138,895.25/44,354,410.70 = 18,202,729.42/x - Step 3: Cross multiply
32,138,895.25x = 44,354,410.70 × 18,202,729.42 - Step 4: Simplify right side
32,138,895.25x = 807,371,336,555,652.88 - Step 5: Solve for x
x = 807,371,336,555,652.88/32,138,895.25 - Step 6: Final answer
x = 25,121,315.78
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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.