Finding the Fourth Proportional to 16,129,660.80, 24,194,491.20 and 5,492,092.80
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Solution
The fourth proportional to 16,129,660.80, 24,194,491.20 and 5,492,092.80 is: 8,238,139.20
Step by Step Solution
- Step 1: Write the proportion equation
16,129,660.80 : 24,194,491.20 = 5,492,092.80 : x - Step 2: Convert to fraction form
16,129,660.80/24,194,491.20 = 5,492,092.80/x - Step 3: Cross multiply
16,129,660.80x = 24,194,491.20 × 5,492,092.80 - Step 4: Simplify right side
16,129,660.80x = 132,878,390,919,183.34 - Step 5: Solve for x
x = 132,878,390,919,183.34/16,129,660.80 - Step 6: Final answer
x = 8,238,139.20
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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.