Finding the Fourth Proportional to 10,242,799.92, 15,365,234.07 and 3,325,990.09
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Solution
The fourth proportional to 10,242,799.92, 15,365,234.07 and 3,325,990.09 is: 4,989,320.96
Step by Step Solution
- Step 1: Write the proportion equation
10,242,799.92 : 15,365,234.07 = 3,325,990.09 : x - Step 2: Convert to fraction form
10,242,799.92/15,365,234.07 = 3,325,990.09/x - Step 3: Cross multiply
10,242,799.92x = 15,365,234.07 × 3,325,990.09 - Step 4: Simplify right side
10,242,799.92x = 51,104,616,311,922.63 - Step 5: Solve for x
x = 51,104,616,311,922.63/10,242,799.92 - Step 6: Final answer
x = 4,989,320.96
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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.