Finding the Fourth Proportional to 10,190,687.41, 15,295,608.20 and 5,336,478.08
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Solution
The fourth proportional to 10,190,687.41, 15,295,608.20 and 5,336,478.08 is: 8,009,732.28
Step by Step Solution
- Step 1: Write the proportion equation
10,190,687.41 : 15,295,608.20 = 5,336,478.08 : x - Step 2: Convert to fraction form
10,190,687.41/15,295,608.20 = 5,336,478.08/x - Step 3: Cross multiply
10,190,687.41x = 15,295,608.20 × 5,336,478.08 - Step 4: Simplify right side
10,190,687.41x = 81,624,677,852,778.48 - Step 5: Solve for x
x = 81,624,677,852,778.48/10,190,687.41 - Step 6: Final answer
x = 8,009,732.28
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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.