Finding the Fourth Proportional to 8,550,779.48, 11,800,266.60 and 4,879,622.96
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Solution
The fourth proportional to 8,550,779.48, 11,800,266.60 and 4,879,622.96 is: 6,733,988.63
Step by Step Solution
- Step 1: Write the proportion equation
8,550,779.48 : 11,800,266.60 = 4,879,622.96 : x - Step 2: Convert to fraction form
8,550,779.48/11,800,266.60 = 4,879,622.96/x - Step 3: Cross multiply
8,550,779.48x = 11,800,266.60 × 4,879,622.96 - Step 4: Simplify right side
8,550,779.48x = 57,580,851,835,481.13 - Step 5: Solve for x
x = 57,580,851,835,481.13/8,550,779.48 - Step 6: Final answer
x = 6,733,988.63
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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.