Finding the Fourth Proportional to 11,190,481.11, 15,441,494.00 and 7,058,961.09
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Solution
The fourth proportional to 11,190,481.11, 15,441,494.00 and 7,058,961.09 is: 9,740,502.15
Step by Step Solution
- Step 1: Write the proportion equation
11,190,481.11 : 15,441,494.00 = 7,058,961.09 : x - Step 2: Convert to fraction form
11,190,481.11/15,441,494.00 = 7,058,961.09/x - Step 3: Cross multiply
11,190,481.11x = 15,441,494.00 × 7,058,961.09 - Step 4: Simplify right side
11,190,481.11x = 109,000,905,282,173.64 - Step 5: Solve for x
x = 109,000,905,282,173.64/11,190,481.11 - Step 6: Final answer
x = 9,740,502.15
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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.