Finding the Fourth Proportional to 32,815,077.68, 45,285,720.24 and 18,131,690
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Solution
The fourth proportional to 32,815,077.68, 45,285,720.24 and 18,131,690 is: 25,022,236.69
Step by Step Solution
- Step 1: Write the proportion equation
32,815,077.68 : 45,285,720.24 = 18,131,690 : x - Step 2: Convert to fraction form
32,815,077.68/45,285,720.24 = 18,131,690/x - Step 3: Cross multiply
32,815,077.68x = 45,285,720.24 × 18,131,690 - Step 4: Simplify right side
32,815,077.68x = 821,106,640,818,405.62 - Step 5: Solve for x
x = 821,106,640,818,405.62/32,815,077.68 - Step 6: Final answer
x = 25,022,236.69
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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.