Finding the Fourth Proportional to 8,268,478.25, 12,404,372.88 and 4,630,381.84
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Solution
The fourth proportional to 8,268,478.25, 12,404,372.88 and 4,630,381.84 is: 6,946,499.84
Step by Step Solution
- Step 1: Write the proportion equation
8,268,478.25 : 12,404,372.88 = 4,630,381.84 : x - Step 2: Convert to fraction form
8,268,478.25/12,404,372.88 = 4,630,381.84/x - Step 3: Cross multiply
8,268,478.25x = 12,404,372.88 × 4,630,381.84 - Step 4: Simplify right side
8,268,478.25x = 57,436,982,858,118.64 - Step 5: Solve for x
x = 57,436,982,858,118.64/8,268,478.25 - Step 6: Final answer
x = 6,946,499.84
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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.