Finding the Fourth Proportional to 9,860,469.80, 14,790,704.70 and 8,201,589.80
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Solution
The fourth proportional to 9,860,469.80, 14,790,704.70 and 8,201,589.80 is: 12,302,384.70
Step by Step Solution
- Step 1: Write the proportion equation
9,860,469.80 : 14,790,704.70 = 8,201,589.80 : x - Step 2: Convert to fraction form
9,860,469.80/14,790,704.70 = 8,201,589.80/x - Step 3: Cross multiply
9,860,469.80x = 14,790,704.70 × 8,201,589.80 - Step 4: Simplify right side
9,860,469.80x = 121,307,292,802,332.05 - Step 5: Solve for x
x = 121,307,292,802,332.05/9,860,469.80 - Step 6: Final answer
x = 12,302,384.70
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1.5x scale
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.