Finding the Fourth Proportional to 8,261,886.12, 11,398,135.92 and 4,776,584.52
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Solution
The fourth proportional to 8,261,886.12, 11,398,135.92 and 4,776,584.52 is: 6,589,797.87
Step by Step Solution
- Step 1: Write the proportion equation
8,261,886.12 : 11,398,135.92 = 4,776,584.52 : x - Step 2: Convert to fraction form
8,261,886.12/11,398,135.92 = 4,776,584.52/x - Step 3: Cross multiply
8,261,886.12x = 11,398,135.92 × 4,776,584.52 - Step 4: Simplify right side
8,261,886.12x = 54,444,159,592,327.95 - Step 5: Solve for x
x = 54,444,159,592,327.95/8,261,886.12 - Step 6: Final answer
x = 6,589,797.87
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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.