Finding the Fourth Proportional to 32,780,439.60, 49,207,984.20 and 19,324,849.20
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Solution
The fourth proportional to 32,780,439.60, 49,207,984.20 and 19,324,849.20 is: 29,009,277.66
Step by Step Solution
- Step 1: Write the proportion equation
32,780,439.60 : 49,207,984.20 = 19,324,849.20 : x - Step 2: Convert to fraction form
32,780,439.60/49,207,984.20 = 19,324,849.20/x - Step 3: Cross multiply
32,780,439.60x = 49,207,984.20 × 19,324,849.20 - Step 4: Simplify right side
32,780,439.60x = 950,936,874,100,982.62 - Step 5: Solve for x
x = 950,936,874,100,982.62/32,780,439.60 - Step 6: Final answer
x = 29,009,277.66
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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.