Finding the Fourth Proportional to 48,405,633.80, 72,608,450.70 and 12,503,841.80
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Solution
The fourth proportional to 48,405,633.80, 72,608,450.70 and 12,503,841.80 is: 18,755,762.70
Step by Step Solution
- Step 1: Write the proportion equation
48,405,633.80 : 72,608,450.70 = 12,503,841.80 : x - Step 2: Convert to fraction form
48,405,633.80/72,608,450.70 = 12,503,841.80/x - Step 3: Cross multiply
48,405,633.80x = 72,608,450.70 × 12,503,841.80 - Step 4: Simplify right side
48,405,633.80x = 907,884,580,895,899.38 - Step 5: Solve for x
x = 907,884,580,895,899.38/48,405,633.80 - Step 6: Final answer
x = 18,755,762.70
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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.