Finding the Fourth Proportional to 8,169,760.32, 11,273,827.68 and 4,497,961.92
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Solution
The fourth proportional to 8,169,760.32, 11,273,827.68 and 4,497,961.92 is: 6,206,944.34
Step by Step Solution
- Step 1: Write the proportion equation
8,169,760.32 : 11,273,827.68 = 4,497,961.92 : x - Step 2: Convert to fraction form
8,169,760.32/11,273,827.68 = 4,497,961.92/x - Step 3: Cross multiply
8,169,760.32x = 11,273,827.68 × 4,497,961.92 - Step 4: Simplify right side
8,169,760.32x = 50,709,247,597,281.95 - Step 5: Solve for x
x = 50,709,247,597,281.95/8,169,760.32 - Step 6: Final answer
x = 6,206,944.34
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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.