Finding the Fourth Proportional to 8,342,163.90, 11,704,223.70 and 8,342,163.90
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Solution
The fourth proportional to 8,342,163.90, 11,704,223.70 and 8,342,163.90 is: 11,704,223.70
Step by Step Solution
- Step 1: Write the proportion equation
8,342,163.90 : 11,704,223.70 = 8,342,163.90 : x - Step 2: Convert to fraction form
8,342,163.90/11,704,223.70 = 8,342,163.90/x - Step 3: Cross multiply
8,342,163.90x = 11,704,223.70 × 8,342,163.90 - Step 4: Simplify right side
8,342,163.90x = 97,638,552,427,664.42 - Step 5: Solve for x
x = 97,638,552,427,664.42/8,342,163.90 - Step 6: Final answer
x = 11,704,223.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.