Finding the Fourth Proportional to 26,393,163.18, 39,595,926.69 and 8,196,428.94
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Solution
The fourth proportional to 26,393,163.18, 39,595,926.69 and 8,196,428.94 is: 12,296,563.21
Step by Step Solution
- Step 1: Write the proportion equation
26,393,163.18 : 39,595,926.69 = 8,196,428.94 : x - Step 2: Convert to fraction form
26,393,163.18/39,595,926.69 = 8,196,428.94/x - Step 3: Cross multiply
26,393,163.18x = 39,595,926.69 × 8,196,428.94 - Step 4: Simplify right side
26,393,163.18x = 324,545,199,428,034.38 - Step 5: Solve for x
x = 324,545,199,428,034.38/26,393,163.18 - Step 6: Final answer
x = 12,296,563.21
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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.