Finding the Fourth Proportional to 11,868,187.68, 17,804,497.76 and 5,391,717.76
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Solution
The fourth proportional to 11,868,187.68, 17,804,497.76 and 5,391,717.76 is: 8,088,583.48
Step by Step Solution
- Step 1: Write the proportion equation
11,868,187.68 : 17,804,497.76 = 5,391,717.76 : x - Step 2: Convert to fraction form
11,868,187.68/17,804,497.76 = 5,391,717.76/x - Step 3: Cross multiply
11,868,187.68x = 17,804,497.76 × 5,391,717.76 - Step 4: Simplify right side
11,868,187.68x = 95,996,826,780,472.22 - Step 5: Solve for x
x = 95,996,826,780,472.22/11,868,187.68 - Step 6: Final answer
x = 8,088,583.48
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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.