Finding the Fourth Proportional to 17,371,421.92, 26,040,188.18 and 8,271,074.36
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Solution
The fourth proportional to 17,371,421.92, 26,040,188.18 and 8,271,074.36 is: 12,398,543.64
Step by Step Solution
- Step 1: Write the proportion equation
17,371,421.92 : 26,040,188.18 = 8,271,074.36 : x - Step 2: Convert to fraction form
17,371,421.92/26,040,188.18 = 8,271,074.36/x - Step 3: Cross multiply
17,371,421.92x = 26,040,188.18 × 8,271,074.36 - Step 4: Simplify right side
17,371,421.92x = 215,380,332,785,173.06 - Step 5: Solve for x
x = 215,380,332,785,173.06/17,371,421.92 - Step 6: Final answer
x = 12,398,543.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.