Finding the Fourth Proportional to 13,081,747.23, 18,052,811.42 and 7,281,899.09
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Solution
The fourth proportional to 13,081,747.23, 18,052,811.42 and 7,281,899.09 is: 10,049,020.88
Step by Step Solution
- Step 1: Write the proportion equation
13,081,747.23 : 18,052,811.42 = 7,281,899.09 : x - Step 2: Convert to fraction form
13,081,747.23/18,052,811.42 = 7,281,899.09/x - Step 3: Cross multiply
13,081,747.23x = 18,052,811.42 × 7,281,899.09 - Step 4: Simplify right side
13,081,747.23x = 131,458,750,992,264.09 - Step 5: Solve for x
x = 131,458,750,992,264.09/13,081,747.23 - Step 6: Final answer
x = 10,049,020.88
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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.