Finding the Fourth Proportional to 20,043,711.24, 27,660,397.38 and 10,876,353.99
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Solution
The fourth proportional to 20,043,711.24, 27,660,397.38 and 10,876,353.99 is: 15,009,409.68
Step by Step Solution
- Step 1: Write the proportion equation
20,043,711.24 : 27,660,397.38 = 10,876,353.99 : x - Step 2: Convert to fraction form
20,043,711.24/27,660,397.38 = 10,876,353.99/x - Step 3: Cross multiply
20,043,711.24x = 27,660,397.38 × 10,876,353.99 - Step 4: Simplify right side
20,043,711.24x = 300,844,273,408,948.56 - Step 5: Solve for x
x = 300,844,273,408,948.56/20,043,711.24 - Step 6: Final answer
x = 15,009,409.68
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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.