Finding the Fourth Proportional to 7,625,513.48, 10,519,317.50 and 4,869,302.99
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Solution
The fourth proportional to 7,625,513.48, 10,519,317.50 and 4,869,302.99 is: 6,717,153.44
Step by Step Solution
- Step 1: Write the proportion equation
7,625,513.48 : 10,519,317.50 = 4,869,302.99 : x - Step 2: Convert to fraction form
7,625,513.48/10,519,317.50 = 4,869,302.99/x - Step 3: Cross multiply
7,625,513.48x = 10,519,317.50 × 4,869,302.99 - Step 4: Simplify right side
7,625,513.48x = 51,221,744,078,566.22 - Step 5: Solve for x
x = 51,221,744,078,566.22/7,625,513.48 - Step 6: Final answer
x = 6,717,153.44
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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.