Finding the Fourth Proportional to 32,784,759.91, 45,246,935.97 and 18,659,380.75
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Solution
The fourth proportional to 32,784,759.91, 45,246,935.97 and 18,659,380.75 is: 25,752,203.41
Step by Step Solution
- Step 1: Write the proportion equation
32,784,759.91 : 45,246,935.97 = 18,659,380.75 : x - Step 2: Convert to fraction form
32,784,759.91/45,246,935.97 = 18,659,380.75/x - Step 3: Cross multiply
32,784,759.91x = 45,246,935.97 × 18,659,380.75 - Step 4: Simplify right side
32,784,759.91x = 844,279,806,035,100.50 - Step 5: Solve for x
x = 844,279,806,035,100.50/32,784,759.91 - Step 6: Final answer
x = 25,752,203.41
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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.