Finding the Fourth Proportional to 8,261,591.64, 12,374,441.62 and 3,992,807.32
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Solution
The fourth proportional to 8,261,591.64, 12,374,441.62 and 3,992,807.32 is: 5,980,537.80
Step by Step Solution
- Step 1: Write the proportion equation
8,261,591.64 : 12,374,441.62 = 3,992,807.32 : x - Step 2: Convert to fraction form
8,261,591.64/12,374,441.62 = 3,992,807.32/x - Step 3: Cross multiply
8,261,591.64x = 12,374,441.62 × 3,992,807.32 - Step 4: Simplify right side
8,261,591.64x = 49,408,761,081,248.66 - Step 5: Solve for x
x = 49,408,761,081,248.66/8,261,591.64 - Step 6: Final answer
x = 5,980,537.80
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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.