Finding the Fourth Proportional to 21,734,990.92, 32,608,366.37 and 7,358,059.95
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Solution
The fourth proportional to 21,734,990.92, 32,608,366.37 and 7,358,059.95 is: 11,039,080.50
Step by Step Solution
- Step 1: Write the proportion equation
21,734,990.92 : 32,608,366.37 = 7,358,059.95 : x - Step 2: Convert to fraction form
21,734,990.92/32,608,366.37 = 7,358,059.95/x - Step 3: Cross multiply
21,734,990.92x = 32,608,366.37 × 7,358,059.95 - Step 4: Simplify right side
21,734,990.92x = 239,934,314,531,934.03 - Step 5: Solve for x
x = 239,934,314,531,934.03/21,734,990.92 - Step 6: Final answer
x = 11,039,080.50
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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.