Finding the Fourth Proportional to 13,247,450.88, 19,869,183.18 and 8,488,396.68
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Solution
The fourth proportional to 13,247,450.88, 19,869,183.18 and 8,488,396.68 is: 12,731,317.90
Step by Step Solution
- Step 1: Write the proportion equation
13,247,450.88 : 19,869,183.18 = 8,488,396.68 : x - Step 2: Convert to fraction form
13,247,450.88/19,869,183.18 = 8,488,396.68/x - Step 3: Cross multiply
13,247,450.88x = 19,869,183.18 × 8,488,396.68 - Step 4: Simplify right side
13,247,450.88x = 168,657,508,539,423.84 - Step 5: Solve for x
x = 168,657,508,539,423.84/13,247,450.88 - Step 6: Final answer
x = 12,731,317.90
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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.