Finding the Fourth Proportional to 11,873,682.21, 16,385,713.02 and 6,441,174.21
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Solution
The fourth proportional to 11,873,682.21, 16,385,713.02 and 6,441,174.21 is: 8,888,837.54
Step by Step Solution
- Step 1: Write the proportion equation
11,873,682.21 : 16,385,713.02 = 6,441,174.21 : x - Step 2: Convert to fraction form
11,873,682.21/16,385,713.02 = 6,441,174.21/x - Step 3: Cross multiply
11,873,682.21x = 16,385,713.02 × 6,441,174.21 - Step 4: Simplify right side
11,873,682.21x = 105,543,232,116,885.20 - Step 5: Solve for x
x = 105,543,232,116,885.20/11,873,682.21 - Step 6: Final answer
x = 8,888,837.54
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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.