Finding the Fourth Proportional to 26,647,709.33, 39,975,380.64 and 8,205,218.12
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Solution
The fourth proportional to 26,647,709.33, 39,975,380.64 and 8,205,218.12 is: 12,309,002.38
Step by Step Solution
- Step 1: Write the proportion equation
26,647,709.33 : 39,975,380.64 = 8,205,218.12 : x - Step 2: Convert to fraction form
26,647,709.33/39,975,380.64 = 8,205,218.12/x - Step 3: Cross multiply
26,647,709.33x = 39,975,380.64 × 8,205,218.12 - Step 4: Simplify right side
26,647,709.33x = 328,006,717,681,163.62 - Step 5: Solve for x
x = 328,006,717,681,163.62/26,647,709.33 - Step 6: Final answer
x = 12,309,002.38
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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.