Finding the Fourth Proportional to 11,485,394.16, 15,850,539.84 and 6,328,749.36
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Solution
The fourth proportional to 11,485,394.16, 15,850,539.84 and 6,328,749.36 is: 8,734,057.58
Step by Step Solution
- Step 1: Write the proportion equation
11,485,394.16 : 15,850,539.84 = 6,328,749.36 : x - Step 2: Convert to fraction form
11,485,394.16/15,850,539.84 = 6,328,749.36/x - Step 3: Cross multiply
11,485,394.16x = 15,850,539.84 × 6,328,749.36 - Step 4: Simplify right side
11,485,394.16x = 100,314,093,868,054.50 - Step 5: Solve for x
x = 100,314,093,868,054.50/11,485,394.16 - Step 6: Final answer
x = 8,734,057.58
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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.