Finding the Fourth Proportional to 11,071,972.10, 16,554,814.05 and 8,202,190.70
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Solution
The fourth proportional to 11,071,972.10, 16,554,814.05 and 8,202,190.70 is: 12,263,916.55
Step by Step Solution
- Step 1: Write the proportion equation
11,071,972.10 : 16,554,814.05 = 8,202,190.70 : x - Step 2: Convert to fraction form
11,071,972.10/16,554,814.05 = 8,202,190.70/x - Step 3: Cross multiply
11,071,972.10x = 16,554,814.05 × 8,202,190.70 - Step 4: Simplify right side
11,071,972.10x = 135,785,741,841,139.34 - Step 5: Solve for x
x = 135,785,741,841,139.34/11,071,972.10 - Step 6: Final answer
x = 12,263,916.55
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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.