Finding the Fourth Proportional to 7,192,838.88, 10,794,567.60 and 3,406,315.68
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Solution
The fourth proportional to 7,192,838.88, 10,794,567.60 and 3,406,315.68 is: 5,111,987.84
Step by Step Solution
- Step 1: Write the proportion equation
7,192,838.88 : 10,794,567.60 = 3,406,315.68 : x - Step 2: Convert to fraction form
7,192,838.88/10,794,567.60 = 3,406,315.68/x - Step 3: Cross multiply
7,192,838.88x = 10,794,567.60 × 3,406,315.68 - Step 4: Simplify right side
7,192,838.88x = 36,769,704,874,699.97 - Step 5: Solve for x
x = 36,769,704,874,699.97/7,192,838.88 - Step 6: Final answer
x = 5,111,987.84
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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.