Finding the Fourth Proportional to 10,415,035.70, 15,622,553.55 and 3,683,449.70
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Solution
The fourth proportional to 10,415,035.70, 15,622,553.55 and 3,683,449.70 is: 5,525,174.55
Step by Step Solution
- Step 1: Write the proportion equation
10,415,035.70 : 15,622,553.55 = 3,683,449.70 : x - Step 2: Convert to fraction form
10,415,035.70/15,622,553.55 = 3,683,449.70/x - Step 3: Cross multiply
10,415,035.70x = 15,622,553.55 × 3,683,449.70 - Step 4: Simplify right side
10,415,035.70x = 57,544,890,186,981.44 - Step 5: Solve for x
x = 57,544,890,186,981.44/10,415,035.70 - Step 6: Final answer
x = 5,525,174.55
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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.