Finding the Fourth Proportional to 11,127,914.70, 16,691,872.05 and 8,258,133.30
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Solution
The fourth proportional to 11,127,914.70, 16,691,872.05 and 8,258,133.30 is: 12,387,199.95
Step by Step Solution
- Step 1: Write the proportion equation
11,127,914.70 : 16,691,872.05 = 8,258,133.30 : x - Step 2: Convert to fraction form
11,127,914.70/16,691,872.05 = 8,258,133.30/x - Step 3: Cross multiply
11,127,914.70x = 16,691,872.05 × 8,258,133.30 - Step 4: Simplify right side
11,127,914.70x = 137,843,704,415,444.27 - Step 5: Solve for x
x = 137,843,704,415,444.27/11,127,914.70 - Step 6: Final answer
x = 12,387,199.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.