Finding the Fourth Proportional to 7,251,235.98, 10,867,055.91 and 2,761,062.54
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Solution
The fourth proportional to 7,251,235.98, 10,867,055.91 and 2,761,062.54 is: 4,137,862.99
Step by Step Solution
- Step 1: Write the proportion equation
7,251,235.98 : 10,867,055.91 = 2,761,062.54 : x - Step 2: Convert to fraction form
7,251,235.98/10,867,055.91 = 2,761,062.54/x - Step 3: Cross multiply
7,251,235.98x = 10,867,055.91 × 2,761,062.54 - Step 4: Simplify right side
7,251,235.98x = 30,004,620,993,186.61 - Step 5: Solve for x
x = 30,004,620,993,186.61/7,251,235.98 - Step 6: Final answer
x = 4,137,862.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.