Finding the Fourth Proportional to 25,545,714.32, 38,324,672.40 and 8,506,534.88
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Solution
The fourth proportional to 25,545,714.32, 38,324,672.40 and 8,506,534.88 is: 12,761,833.88
Step by Step Solution
- Step 1: Write the proportion equation
25,545,714.32 : 38,324,672.40 = 8,506,534.88 : x - Step 2: Convert to fraction form
25,545,714.32/38,324,672.40 = 8,506,534.88/x - Step 3: Cross multiply
25,545,714.32x = 38,324,672.40 × 8,506,534.88 - Step 4: Simplify right side
25,545,714.32x = 326,010,162,535,173.31 - Step 5: Solve for x
x = 326,010,162,535,173.31/25,545,714.32 - Step 6: Final answer
x = 12,761,833.88
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1.5x scale
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.