Finding the Fourth Proportional to 7,691,069.92, 11,526,513.36 and 5,659,805.92
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Solution
The fourth proportional to 7,691,069.92, 11,526,513.36 and 5,659,805.92 is: 8,482,282.60
Step by Step Solution
- Step 1: Write the proportion equation
7,691,069.92 : 11,526,513.36 = 5,659,805.92 : x - Step 2: Convert to fraction form
7,691,069.92/11,526,513.36 = 5,659,805.92/x - Step 3: Cross multiply
7,691,069.92x = 11,526,513.36 × 5,659,805.92 - Step 4: Simplify right side
7,691,069.92x = 65,237,828,551,887.09 - Step 5: Solve for x
x = 65,237,828,551,887.09/7,691,069.92 - Step 6: Final answer
x = 8,482,282.60
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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.