Finding the Fourth Proportional to 10,265,108.13, 14,165,795.57 and 5,681,272.77
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Solution
The fourth proportional to 10,265,108.13, 14,165,795.57 and 5,681,272.77 is: 7,840,126.73
Step by Step Solution
- Step 1: Write the proportion equation
10,265,108.13 : 14,165,795.57 = 5,681,272.77 : x - Step 2: Convert to fraction form
10,265,108.13/14,165,795.57 = 5,681,272.77/x - Step 3: Cross multiply
10,265,108.13x = 14,165,795.57 × 5,681,272.77 - Step 4: Simplify right side
10,265,108.13x = 80,479,748,608,821.25 - Step 5: Solve for x
x = 80,479,748,608,821.25/10,265,108.13 - Step 6: Final answer
x = 7,840,126.73
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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.