Finding the Fourth Proportional to 26,001,163.40, 39,001,745.10 and 18,442,891.40
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Solution
The fourth proportional to 26,001,163.40, 39,001,745.10 and 18,442,891.40 is: 27,664,337.10
Step by Step Solution
- Step 1: Write the proportion equation
26,001,163.40 : 39,001,745.10 = 18,442,891.40 : x - Step 2: Convert to fraction form
26,001,163.40/39,001,745.10 = 18,442,891.40/x - Step 3: Cross multiply
26,001,163.40x = 39,001,745.10 × 18,442,891.40 - Step 4: Simplify right side
26,001,163.40x = 719,304,949,289,782.12 - Step 5: Solve for x
x = 719,304,949,289,782.12/26,001,163.40 - Step 6: Final answer
x = 27,664,337.10
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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.