Finding the Fourth Proportional to 19,125,231.21, 26,392,143.87 and 10,423,231.11
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Solution
The fourth proportional to 19,125,231.21, 26,392,143.87 and 10,423,231.11 is: 14,383,690.95
Step by Step Solution
- Step 1: Write the proportion equation
19,125,231.21 : 26,392,143.87 = 10,423,231.11 : x - Step 2: Convert to fraction form
19,125,231.21/26,392,143.87 = 10,423,231.11/x - Step 3: Cross multiply
19,125,231.21x = 26,392,143.87 × 10,423,231.11 - Step 4: Simplify right side
19,125,231.21x = 275,091,415,045,379.78 - Step 5: Solve for x
x = 275,091,415,045,379.78/19,125,231.21 - Step 6: Final answer
x = 14,383,690.95
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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.