Finding the Fourth Proportional to 7,759,814.64, 10,707,573.69 and 4,496,569.80
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Solution
The fourth proportional to 7,759,814.64, 10,707,573.69 and 4,496,569.80 is: 6,204,703.94
Step by Step Solution
- Step 1: Write the proportion equation
7,759,814.64 : 10,707,573.69 = 4,496,569.80 : x - Step 2: Convert to fraction form
7,759,814.64/10,707,573.69 = 4,496,569.80/x - Step 3: Cross multiply
7,759,814.64x = 10,707,573.69 × 4,496,569.80 - Step 4: Simplify right side
7,759,814.64x = 48,147,352,485,728.55 - Step 5: Solve for x
x = 48,147,352,485,728.55/7,759,814.64 - Step 6: Final answer
x = 6,204,703.94
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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.