Finding the Fourth Proportional to 10,802,936.70, 16,187,839.26 and 7,340,266.38
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Solution
The fourth proportional to 10,802,936.70, 16,187,839.26 and 7,340,266.38 is: 10,999,143.62
Step by Step Solution
- Step 1: Write the proportion equation
10,802,936.70 : 16,187,839.26 = 7,340,266.38 : x - Step 2: Convert to fraction form
10,802,936.70/16,187,839.26 = 7,340,266.38/x - Step 3: Cross multiply
10,802,936.70x = 16,187,839.26 × 7,340,266.38 - Step 4: Simplify right side
10,802,936.70x = 118,823,052,285,022.08 - Step 5: Solve for x
x = 118,823,052,285,022.08/10,802,936.70 - Step 6: Final answer
x = 10,999,143.62
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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.