Finding the Fourth Proportional to 16,129,815.05, 24,194,722.58 and 13,295,463.05
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Solution
The fourth proportional to 16,129,815.05, 24,194,722.58 and 13,295,463.05 is: 19,943,194.58
Step by Step Solution
- Step 1: Write the proportion equation
16,129,815.05 : 24,194,722.58 = 13,295,463.05 : x - Step 2: Convert to fraction form
16,129,815.05/24,194,722.58 = 13,295,463.05/x - Step 3: Cross multiply
16,129,815.05x = 24,194,722.58 × 13,295,463.05 - Step 4: Simplify right side
16,129,815.05x = 321,680,040,000,913.38 - Step 5: Solve for x
x = 321,680,040,000,913.38/16,129,815.05 - Step 6: Final answer
x = 19,943,194.58
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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.