Finding the Fourth Proportional to 8,869,621.80, 13,304,432.70 and 2,479,863.90
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Solution
The fourth proportional to 8,869,621.80, 13,304,432.70 and 2,479,863.90 is: 3,719,795.85
Step by Step Solution
- Step 1: Write the proportion equation
8,869,621.80 : 13,304,432.70 = 2,479,863.90 : x - Step 2: Convert to fraction form
8,869,621.80/13,304,432.70 = 2,479,863.90/x - Step 3: Cross multiply
8,869,621.80x = 13,304,432.70 × 2,479,863.90 - Step 4: Simplify right side
8,869,621.80x = 32,993,182,362,709.53 - Step 5: Solve for x
x = 32,993,182,362,709.53/8,869,621.80 - Step 6: Final answer
x = 3,719,795.85
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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.