Finding the Fourth Proportional to 6,613,773.12, 9,918,108.99 and 2,569,728.51
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Solution
The fourth proportional to 6,613,773.12, 9,918,108.99 and 2,569,728.51 is: 3,853,601.71
Step by Step Solution
- Step 1: Write the proportion equation
6,613,773.12 : 9,918,108.99 = 2,569,728.51 : x - Step 2: Convert to fraction form
6,613,773.12/9,918,108.99 = 2,569,728.51/x - Step 3: Cross multiply
6,613,773.12x = 9,918,108.99 × 2,569,728.51 - Step 4: Simplify right side
6,613,773.12x = 25,486,847,436,890.30 - Step 5: Solve for x
x = 25,486,847,436,890.30/6,613,773.12 - Step 6: Final answer
x = 3,853,601.71
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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.