Finding the Fourth Proportional to 32,805,025.80, 49,207,538.70 and 30,915,457.80
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Solution
The fourth proportional to 32,805,025.80, 49,207,538.70 and 30,915,457.80 is: 46,373,186.70
Step by Step Solution
- Step 1: Write the proportion equation
32,805,025.80 : 49,207,538.70 = 30,915,457.80 : x - Step 2: Convert to fraction form
32,805,025.80/49,207,538.70 = 30,915,457.80/x - Step 3: Cross multiply
32,805,025.80x = 49,207,538.70 × 30,915,457.80 - Step 4: Simplify right side
32,805,025.80x = 1,521,273,586,121,717 - Step 5: Solve for x
x = 1,521,273,586,121,717/32,805,025.80 - Step 6: Final answer
x = 46,373,186.70
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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.