Finding the Fourth Proportional to 8,543,896.75, 12,817,945.05 and 2,560,264.75
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Solution
The fourth proportional to 8,543,896.75, 12,817,945.05 and 2,560,264.75 is: 3,841,026.39
Step by Step Solution
- Step 1: Write the proportion equation
8,543,896.75 : 12,817,945.05 = 2,560,264.75 : x - Step 2: Convert to fraction form
8,543,896.75/12,817,945.05 = 2,560,264.75/x - Step 3: Cross multiply
8,543,896.75x = 12,817,945.05 × 2,560,264.75 - Step 4: Simplify right side
8,543,896.75x = 32,817,332,878,951.99 - Step 5: Solve for x
x = 32,817,332,878,951.99/8,543,896.75 - Step 6: Final answer
x = 3,841,026.39
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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.