Finding the Fourth Proportional to 7,545,163.01, 10,412,326.58 and 4,107,403.13
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Solution
The fourth proportional to 7,545,163.01, 10,412,326.58 and 4,107,403.13 is: 5,668,217.20
Step by Step Solution
- Step 1: Write the proportion equation
7,545,163.01 : 10,412,326.58 = 4,107,403.13 : x - Step 2: Convert to fraction form
7,545,163.01/10,412,326.58 = 4,107,403.13/x - Step 3: Cross multiply
7,545,163.01x = 10,412,326.58 × 4,107,403.13 - Step 4: Simplify right side
7,545,163.01x = 42,767,622,712,675.55 - Step 5: Solve for x
x = 42,767,622,712,675.55/7,545,163.01 - Step 6: Final answer
x = 5,668,217.20
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1.5x scale
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.