Finding the Fourth Proportional to 19,942,799.24, 27,523,178.80 and 11,689,795.98
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Solution
The fourth proportional to 19,942,799.24, 27,523,178.80 and 11,689,795.98 is: 16,133,158.69
Step by Step Solution
- Step 1: Write the proportion equation
19,942,799.24 : 27,523,178.80 = 11,689,795.98 : x - Step 2: Convert to fraction form
19,942,799.24/27,523,178.80 = 11,689,795.98/x - Step 3: Cross multiply
19,942,799.24x = 27,523,178.80 × 11,689,795.98 - Step 4: Simplify right side
19,942,799.24x = 321,740,344,863,836.75 - Step 5: Solve for x
x = 321,740,344,863,836.75/19,942,799.24 - Step 6: Final answer
x = 16,133,158.69
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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.