Finding the Fourth Proportional to 11,276,642.01, 15,561,765.99 and 6,120,003.54
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Solution
The fourth proportional to 11,276,642.01, 15,561,765.99 and 6,120,003.54 is: 8,445,604.89
Step by Step Solution
- Step 1: Write the proportion equation
11,276,642.01 : 15,561,765.99 = 6,120,003.54 : x - Step 2: Convert to fraction form
11,276,642.01/15,561,765.99 = 6,120,003.54/x - Step 3: Cross multiply
11,276,642.01x = 15,561,765.99 × 6,120,003.54 - Step 4: Simplify right side
11,276,642.01x = 95,238,062,947,451.61 - Step 5: Solve for x
x = 95,238,062,947,451.61/11,276,642.01 - Step 6: Final answer
x = 8,445,604.89
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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.