Finding the Fourth Proportional to 11,388,817.70, 17,087,508.11 and 6,780,463.05
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Solution
The fourth proportional to 11,388,817.70, 17,087,508.11 and 6,780,463.05 is: 10,173,243.66
Step by Step Solution
- Step 1: Write the proportion equation
11,388,817.70 : 17,087,508.11 = 6,780,463.05 : x - Step 2: Convert to fraction form
11,388,817.70/17,087,508.11 = 6,780,463.05/x - Step 3: Cross multiply
11,388,817.70x = 17,087,508.11 × 6,780,463.05 - Step 4: Simplify right side
11,388,817.70x = 115,861,217,412,032.92 - Step 5: Solve for x
x = 115,861,217,412,032.92/11,388,817.70 - Step 6: Final answer
x = 10,173,243.66
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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.