Finding the Fourth Proportional to 11,281,529.44, 15,569,474.52 and 6,387,613.84
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Solution
The fourth proportional to 11,281,529.44, 15,569,474.52 and 6,387,613.84 is: 8,815,452.86
Step by Step Solution
- Step 1: Write the proportion equation
11,281,529.44 : 15,569,474.52 = 6,387,613.84 : x - Step 2: Convert to fraction form
11,281,529.44/15,569,474.52 = 6,387,613.84/x - Step 3: Cross multiply
11,281,529.44x = 15,569,474.52 × 6,387,613.84 - Step 4: Simplify right side
11,281,529.44x = 99,451,790,925,479.36 - Step 5: Solve for x
x = 99,451,790,925,479.36/11,281,529.44 - Step 6: Final answer
x = 8,815,452.86
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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.