Finding the Fourth Proportional to 16,339,940.70, 24,509,911.05 and 4,372,676.70
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Solution
The fourth proportional to 16,339,940.70, 24,509,911.05 and 4,372,676.70 is: 6,559,015.05
Step by Step Solution
- Step 1: Write the proportion equation
16,339,940.70 : 24,509,911.05 = 4,372,676.70 : x - Step 2: Convert to fraction form
16,339,940.70/24,509,911.05 = 4,372,676.70/x - Step 3: Cross multiply
16,339,940.70x = 24,509,911.05 × 4,372,676.70 - Step 4: Simplify right side
16,339,940.70x = 107,173,916,967,407.55 - Step 5: Solve for x
x = 107,173,916,967,407.55/16,339,940.70 - Step 6: Final answer
x = 6,559,015.05
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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.