Finding the Fourth Proportional to 7,745,739.62, 11,618,987.70 and 2,952,535.46
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Solution
The fourth proportional to 7,745,739.62, 11,618,987.70 and 2,952,535.46 is: 4,428,947.38
Step by Step Solution
- Step 1: Write the proportion equation
7,745,739.62 : 11,618,987.70 = 2,952,535.46 : x - Step 2: Convert to fraction form
7,745,739.62/11,618,987.70 = 2,952,535.46/x - Step 3: Cross multiply
7,745,739.62x = 11,618,987.70 × 2,952,535.46 - Step 4: Simplify right side
7,745,739.62x = 34,305,473,193,553.84 - Step 5: Solve for x
x = 34,305,473,193,553.84/7,745,739.62 - Step 6: Final answer
x = 4,428,947.38
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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.