Finding the Fourth Proportional to 13,083,588.99, 18,052,264.26 and 10,998,359.42
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Solution
The fourth proportional to 13,083,588.99, 18,052,264.26 and 10,998,359.42 is: 15,175,139.69
Step by Step Solution
- Step 1: Write the proportion equation
13,083,588.99 : 18,052,264.26 = 10,998,359.42 : x - Step 2: Convert to fraction form
13,083,588.99/18,052,264.26 = 10,998,359.42/x - Step 3: Cross multiply
13,083,588.99x = 18,052,264.26 × 10,998,359.42 - Step 4: Simplify right side
13,083,588.99x = 198,545,290,586,039 - Step 5: Solve for x
x = 198,545,290,586,039/13,083,588.99 - Step 6: Final answer
x = 15,175,139.69
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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.