Finding the Fourth Proportional to 8,151,193.18, 11,248,763.43 and 4,480,449.58
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Solution
The fourth proportional to 8,151,193.18, 11,248,763.43 and 4,480,449.58 is: 6,183,084.64
Step by Step Solution
- Step 1: Write the proportion equation
8,151,193.18 : 11,248,763.43 = 4,480,449.58 : x - Step 2: Convert to fraction form
8,151,193.18/11,248,763.43 = 4,480,449.58/x - Step 3: Cross multiply
8,151,193.18x = 11,248,763.43 × 4,480,449.58 - Step 4: Simplify right side
8,151,193.18x = 50,399,517,385,462.86 - Step 5: Solve for x
x = 50,399,517,385,462.86/8,151,193.18 - Step 6: Final answer
x = 6,183,084.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.