Finding the Fourth Proportional to 11,227,153.80, 16,840,730.70 and 6,975,625.80
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Solution
The fourth proportional to 11,227,153.80, 16,840,730.70 and 6,975,625.80 is: 10,463,438.70
Step by Step Solution
- Step 1: Write the proportion equation
11,227,153.80 : 16,840,730.70 = 6,975,625.80 : x - Step 2: Convert to fraction form
11,227,153.80/16,840,730.70 = 6,975,625.80/x - Step 3: Cross multiply
11,227,153.80x = 16,840,730.70 × 6,975,625.80 - Step 4: Simplify right side
11,227,153.80x = 117,474,635,561,772.05 - Step 5: Solve for x
x = 117,474,635,561,772.05/11,227,153.80 - Step 6: Final answer
x = 10,463,438.70
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1.5x scale
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.