Finding the Fourth Proportional to 7,759,013.92, 10,707,442.49 and 4,497,720.34
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Solution
The fourth proportional to 7,759,013.92, 10,707,442.49 and 4,497,720.34 is: 6,206,855.97
Step by Step Solution
- Step 1: Write the proportion equation
7,759,013.92 : 10,707,442.49 = 4,497,720.34 : x - Step 2: Convert to fraction form
7,759,013.92/10,707,442.49 = 4,497,720.34/x - Step 3: Cross multiply
7,759,013.92x = 10,707,442.49 × 4,497,720.34 - Step 4: Simplify right side
7,759,013.92x = 48,159,081,876,653.24 - Step 5: Solve for x
x = 48,159,081,876,653.24/7,759,013.92 - Step 6: Final answer
x = 6,206,855.97
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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.