Finding the Fourth Proportional to 11,097,566.20, 16,622,729.70 and 9,207,998.20
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Solution
The fourth proportional to 11,097,566.20, 16,622,729.70 and 9,207,998.20 is: 13,792,399.38
Step by Step Solution
- Step 1: Write the proportion equation
11,097,566.20 : 16,622,729.70 = 9,207,998.20 : x - Step 2: Convert to fraction form
11,097,566.20/16,622,729.70 = 9,207,998.20/x - Step 3: Cross multiply
11,097,566.20x = 16,622,729.70 × 9,207,998.20 - Step 4: Simplify right side
11,097,566.20x = 153,062,065,156,686.53 - Step 5: Solve for x
x = 153,062,065,156,686.53/11,097,566.20 - Step 6: Final answer
x = 13,792,399.38
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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.