Finding the Fourth Proportional to 11,104,236.76, 15,325,048.38 and 6,521,217.88
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Solution
The fourth proportional to 11,104,236.76, 15,325,048.38 and 6,521,217.88 is: 8,999,986.37
Step by Step Solution
- Step 1: Write the proportion equation
11,104,236.76 : 15,325,048.38 = 6,521,217.88 : x - Step 2: Convert to fraction form
11,104,236.76/15,325,048.38 = 6,521,217.88/x - Step 3: Cross multiply
11,104,236.76x = 15,325,048.38 × 6,521,217.88 - Step 4: Simplify right side
11,104,236.76x = 99,937,979,507,521.03 - Step 5: Solve for x
x = 99,937,979,507,521.03/11,104,236.76 - Step 6: Final answer
x = 8,999,986.37
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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.