Finding the Fourth Proportional to 7,707,319.76, 11,561,348.28 and 3,721,584.08
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Solution
The fourth proportional to 7,707,319.76, 11,561,348.28 and 3,721,584.08 is: 5,582,554.12
Step by Step Solution
- Step 1: Write the proportion equation
7,707,319.76 : 11,561,348.28 = 3,721,584.08 : x - Step 2: Convert to fraction form
7,707,319.76/11,561,348.28 = 3,721,584.08/x - Step 3: Cross multiply
7,707,319.76x = 11,561,348.28 × 3,721,584.08 - Step 4: Simplify right side
7,707,319.76x = 43,026,529,702,183.38 - Step 5: Solve for x
x = 43,026,529,702,183.38/7,707,319.76 - Step 6: Final answer
x = 5,582,554.12
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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.