Finding the Fourth Proportional to 17,527,632.80, 26,291,449.20 and 6,167,991.20
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Solution
The fourth proportional to 17,527,632.80, 26,291,449.20 and 6,167,991.20 is: 9,251,986.80
Step by Step Solution
- Step 1: Write the proportion equation
17,527,632.80 : 26,291,449.20 = 6,167,991.20 : x - Step 2: Convert to fraction form
17,527,632.80/26,291,449.20 = 6,167,991.20/x - Step 3: Cross multiply
17,527,632.80x = 26,291,449.20 × 6,167,991.20 - Step 4: Simplify right side
17,527,632.80x = 162,165,427,300,847.03 - Step 5: Solve for x
x = 162,165,427,300,847.03/17,527,632.80 - Step 6: Final answer
x = 9,251,986.80
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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.