Finding the Fourth Proportional to 16,032,495.38, 22,124,250.87 and 8,690,170.88
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Solution
The fourth proportional to 16,032,495.38, 22,124,250.87 and 8,690,170.88 is: 11,992,114.52
Step by Step Solution
- Step 1: Write the proportion equation
16,032,495.38 : 22,124,250.87 = 8,690,170.88 : x - Step 2: Convert to fraction form
16,032,495.38/22,124,250.87 = 8,690,170.88/x - Step 3: Cross multiply
16,032,495.38x = 22,124,250.87 × 8,690,170.88 - Step 4: Simplify right side
16,032,495.38x = 192,263,520,652,288.69 - Step 5: Solve for x
x = 192,263,520,652,288.69/16,032,495.38 - Step 6: Final answer
x = 11,992,114.52
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1.5x scale
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.