Finding the Fourth Proportional to 8,109,317.22, 11,190,887.42 and 4,388,148.26
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Solution
The fourth proportional to 8,109,317.22, 11,190,887.42 and 4,388,148.26 is: 6,055,660.65
Step by Step Solution
- Step 1: Write the proportion equation
8,109,317.22 : 11,190,887.42 = 4,388,148.26 : x - Step 2: Convert to fraction form
8,109,317.22/11,190,887.42 = 4,388,148.26/x - Step 3: Cross multiply
8,109,317.22x = 11,190,887.42 × 4,388,148.26 - Step 4: Simplify right side
8,109,317.22x = 49,107,273,165,291.31 - Step 5: Solve for x
x = 49,107,273,165,291.31/8,109,317.22 - Step 6: Final answer
x = 6,055,660.65
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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.