Finding the Fourth Proportional to 16,251,586.34, 22,427,046.11 and 8,909,286.05
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Solution
The fourth proportional to 16,251,586.34, 22,427,046.11 and 8,909,286.05 is: 12,294,736.34
Step by Step Solution
- Step 1: Write the proportion equation
16,251,586.34 : 22,427,046.11 = 8,909,286.05 : x - Step 2: Convert to fraction form
16,251,586.34/22,427,046.11 = 8,909,286.05/x - Step 3: Cross multiply
16,251,586.34x = 22,427,046.11 × 8,909,286.05 - Step 4: Simplify right side
16,251,586.34x = 199,808,969,128,870.59 - Step 5: Solve for x
x = 199,808,969,128,870.59/16,251,586.34 - Step 6: Final answer
x = 12,294,736.34
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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.