Finding the Fourth Proportional to 10,831,478.68, 16,151,754.97 and 10,734,343.12
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Solution
The fourth proportional to 10,831,478.68, 16,151,754.97 and 10,734,343.12 is: 16,006,907.73
Step by Step Solution
- Step 1: Write the proportion equation
10,831,478.68 : 16,151,754.97 = 10,734,343.12 : x - Step 2: Convert to fraction form
10,831,478.68/16,151,754.97 = 10,734,343.12/x - Step 3: Cross multiply
10,831,478.68x = 16,151,754.97 × 10,734,343.12 - Step 4: Simplify right side
10,831,478.68x = 173,378,479,838,145.31 - Step 5: Solve for x
x = 173,378,479,838,145.31/10,831,478.68 - Step 6: Final answer
x = 16,006,907.73
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.