Finding the Fourth Proportional to 10,881,625.98, 16,324,431.88 and 4,488,390.75
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Solution
The fourth proportional to 10,881,625.98, 16,324,431.88 and 4,488,390.75 is: 6,733,408.15
Step by Step Solution
- Step 1: Write the proportion equation
10,881,625.98 : 16,324,431.88 = 4,488,390.75 : x - Step 2: Convert to fraction form
10,881,625.98/16,324,431.88 = 4,488,390.75/x - Step 3: Cross multiply
10,881,625.98x = 16,324,431.88 × 4,488,390.75 - Step 4: Simplify right side
10,881,625.98x = 73,270,429,049,197.11 - Step 5: Solve for x
x = 73,270,429,049,197.11/10,881,625.98 - Step 6: Final answer
x = 6,733,408.15
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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.