Finding the Fourth Proportional to 13,167,234.01, 18,170,809.50 and 7,366,112.65
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Solution
The fourth proportional to 13,167,234.01, 18,170,809.50 and 7,366,112.65 is: 10,165,250.32
Step by Step Solution
- Step 1: Write the proportion equation
13,167,234.01 : 18,170,809.50 = 7,366,112.65 : x - Step 2: Convert to fraction form
13,167,234.01/18,170,809.50 = 7,366,112.65/x - Step 3: Cross multiply
13,167,234.01x = 18,170,809.50 × 7,366,112.65 - Step 4: Simplify right side
13,167,234.01x = 133,848,229,718,690.19 - Step 5: Solve for x
x = 133,848,229,718,690.19/13,167,234.01 - Step 6: Final answer
x = 10,165,250.32
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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.