Finding the Fourth Proportional to 8,236,382.54, 11,366,188.29 and 4,515,206.94
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Solution
The fourth proportional to 8,236,382.54, 11,366,188.29 and 4,515,206.94 is: 6,230,974.82
Step by Step Solution
- Step 1: Write the proportion equation
8,236,382.54 : 11,366,188.29 = 4,515,206.94 : x - Step 2: Convert to fraction form
8,236,382.54/11,366,188.29 = 4,515,206.94/x - Step 3: Cross multiply
8,236,382.54x = 11,366,188.29 × 4,515,206.94 - Step 4: Simplify right side
8,236,382.54x = 51,320,692,248,354.73 - Step 5: Solve for x
x = 51,320,692,248,354.73/8,236,382.54 - Step 6: Final answer
x = 6,230,974.82
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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.