Finding the Fourth Proportional to 21,257,174.04, 29,334,828.24 and 11,964,738.84
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Solution
The fourth proportional to 21,257,174.04, 29,334,828.24 and 11,964,738.84 is: 16,511,299.11
Step by Step Solution
- Step 1: Write the proportion equation
21,257,174.04 : 29,334,828.24 = 11,964,738.84 : x - Step 2: Convert to fraction form
21,257,174.04/29,334,828.24 = 11,964,738.84/x - Step 3: Cross multiply
21,257,174.04x = 29,334,828.24 × 11,964,738.84 - Step 4: Simplify right side
21,257,174.04x = 350,983,558,807,856.81 - Step 5: Solve for x
x = 350,983,558,807,856.81/21,257,174.04 - Step 6: Final answer
x = 16,511,299.11
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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.