Finding the Fourth Proportional to 8,211,379.88, 11,331,246.84 and 4,540,075.88
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Solution
The fourth proportional to 8,211,379.88, 11,331,246.84 and 4,540,075.88 is: 6,265,051.82
Step by Step Solution
- Step 1: Write the proportion equation
8,211,379.88 : 11,331,246.84 = 4,540,075.88 : x - Step 2: Convert to fraction form
8,211,379.88/11,331,246.84 = 4,540,075.88/x - Step 3: Cross multiply
8,211,379.88x = 11,331,246.84 × 4,540,075.88 - Step 4: Simplify right side
8,211,379.88x = 51,444,720,468,610.22 - Step 5: Solve for x
x = 51,444,720,468,610.22/8,211,379.88 - Step 6: Final answer
x = 6,265,051.82
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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.