Finding the Fourth Proportional to 17,371,420.67, 26,040,186.30 and 8,271,073.10
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Solution
The fourth proportional to 17,371,420.67, 26,040,186.30 and 8,271,073.10 is: 12,398,541.75
Step by Step Solution
- Step 1: Write the proportion equation
17,371,420.67 : 26,040,186.30 = 8,271,073.10 : x - Step 2: Convert to fraction form
17,371,420.67/26,040,186.30 = 8,271,073.10/x - Step 3: Cross multiply
17,371,420.67x = 26,040,186.30 × 8,271,073.10 - Step 4: Simplify right side
17,371,420.67x = 215,380,284,294,717.59 - Step 5: Solve for x
x = 215,380,284,294,717.59/17,371,420.67 - Step 6: Final answer
x = 12,398,541.75
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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.