Finding the Fourth Proportional to 8,107,618.08, 11,183,638.08 and 5,354,330.88
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Solution
The fourth proportional to 8,107,618.08, 11,183,638.08 and 5,354,330.88 is: 7,385,757.21
Step by Step Solution
- Step 1: Write the proportion equation
8,107,618.08 : 11,183,638.08 = 5,354,330.88 : x - Step 2: Convert to fraction form
8,107,618.08/11,183,638.08 = 5,354,330.88/x - Step 3: Cross multiply
8,107,618.08x = 11,183,638.08 × 5,354,330.88 - Step 4: Simplify right side
8,107,618.08x = 59,880,898,722,487.91 - Step 5: Solve for x
x = 59,880,898,722,487.91/8,107,618.08 - Step 6: Final answer
x = 7,385,757.21
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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.