Finding the Fourth Proportional to 8,118,435.18, 11,203,351.35 and 4,397,173.60
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Solution
The fourth proportional to 8,118,435.18, 11,203,351.35 and 4,397,173.60 is: 6,068,051.26
Step by Step Solution
- Step 1: Write the proportion equation
8,118,435.18 : 11,203,351.35 = 4,397,173.60 : x - Step 2: Convert to fraction form
8,118,435.18/11,203,351.35 = 4,397,173.60/x - Step 3: Cross multiply
8,118,435.18x = 11,203,351.35 × 4,397,173.60 - Step 4: Simplify right side
8,118,435.18x = 49,263,080,841,001.66 - Step 5: Solve for x
x = 49,263,080,841,001.66/8,118,435.18 - Step 6: Final answer
x = 6,068,051.26
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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.