Finding the Fourth Proportional to 14,198,645.15, 19,595,687.10 and 8,239,364.66
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Solution
The fourth proportional to 14,198,645.15, 19,595,687.10 and 8,239,364.66 is: 11,371,226.63
Step by Step Solution
- Step 1: Write the proportion equation
14,198,645.15 : 19,595,687.10 = 8,239,364.66 : x - Step 2: Convert to fraction form
14,198,645.15/19,595,687.10 = 8,239,364.66/x - Step 3: Cross multiply
14,198,645.15x = 19,595,687.10 × 8,239,364.66 - Step 4: Simplify right side
14,198,645.15x = 161,456,011,780,157.91 - Step 5: Solve for x
x = 161,456,011,780,157.91/14,198,645.15 - Step 6: Final answer
x = 11,371,226.63
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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.