Finding the Fourth Proportional to 16,206,193.19, 24,305,806.79 and 5,128,142.40
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Solution
The fourth proportional to 16,206,193.19, 24,305,806.79 and 5,128,142.40 is: 7,691,111.47
Step by Step Solution
- Step 1: Write the proportion equation
16,206,193.19 : 24,305,806.79 = 5,128,142.40 : x - Step 2: Convert to fraction form
16,206,193.19/24,305,806.79 = 5,128,142.40/x - Step 3: Cross multiply
16,206,193.19x = 24,305,806.79 × 5,128,142.40 - Step 4: Simplify right side
16,206,193.19x = 124,643,638,359,596.73 - Step 5: Solve for x
x = 124,643,638,359,596.73/16,206,193.19 - Step 6: Final answer
x = 7,691,111.47
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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.