Finding the Fourth Proportional to 7,649,755.52, 10,556,921.71 and 4,165,229.44
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Solution
The fourth proportional to 7,649,755.52, 10,556,921.71 and 4,165,229.44 is: 5,748,157.70
Step by Step Solution
- Step 1: Write the proportion equation
7,649,755.52 : 10,556,921.71 = 4,165,229.44 : x - Step 2: Convert to fraction form
7,649,755.52/10,556,921.71 = 4,165,229.44/x - Step 3: Cross multiply
7,649,755.52x = 10,556,921.71 × 4,165,229.44 - Step 4: Simplify right side
7,649,755.52x = 43,972,001,102,267.15 - Step 5: Solve for x
x = 43,972,001,102,267.15/7,649,755.52 - Step 6: Final answer
x = 5,748,157.70
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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.