Finding the Fourth Proportional to 8,121,765.92, 12,184,185.12 and 3,264,450.53
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Solution
The fourth proportional to 8,121,765.92, 12,184,185.12 and 3,264,450.53 is: 4,897,293.27
Step by Step Solution
- Step 1: Write the proportion equation
8,121,765.92 : 12,184,185.12 = 3,264,450.53 : x - Step 2: Convert to fraction form
8,121,765.92/12,184,185.12 = 3,264,450.53/x - Step 3: Cross multiply
8,121,765.92x = 12,184,185.12 × 3,264,450.53 - Step 4: Simplify right side
8,121,765.92x = 39,774,669,517,802.03 - Step 5: Solve for x
x = 39,774,669,517,802.03/8,121,765.92 - Step 6: Final answer
x = 4,897,293.27
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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.