Finding the Fourth Proportional to 13,345,234.12, 18,416,405.46 and 7,233,661
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Solution
The fourth proportional to 13,345,234.12, 18,416,405.46 and 7,233,661 is: 9,982,442.63
Step by Step Solution
- Step 1: Write the proportion equation
13,345,234.12 : 18,416,405.46 = 7,233,661 : x - Step 2: Convert to fraction form
13,345,234.12/18,416,405.46 = 7,233,661/x - Step 3: Cross multiply
13,345,234.12x = 18,416,405.46 × 7,233,661 - Step 4: Simplify right side
13,345,234.12x = 133,218,033,936,189.06 - Step 5: Solve for x
x = 133,218,033,936,189.06/13,345,234.12 - Step 6: Final answer
x = 9,982,442.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.