Finding the Fourth Proportional to 10,628,239.28, 15,944,888.62 and 3,439,773.18
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Solution
The fourth proportional to 10,628,239.28, 15,944,888.62 and 3,439,773.18 is: 5,160,478.50
Step by Step Solution
- Step 1: Write the proportion equation
10,628,239.28 : 15,944,888.62 = 3,439,773.18 : x - Step 2: Convert to fraction form
10,628,239.28/15,944,888.62 = 3,439,773.18/x - Step 3: Cross multiply
10,628,239.28x = 15,944,888.62 × 3,439,773.18 - Step 4: Simplify right side
10,628,239.28x = 54,846,800,233,163.21 - Step 5: Solve for x
x = 54,846,800,233,163.21/10,628,239.28 - Step 6: Final answer
x = 5,160,478.50
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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.