Finding the Fourth Proportional to 13,171,250.85, 19,756,876.26 and 8,682,477.09
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Solution
The fourth proportional to 13,171,250.85, 19,756,876.26 and 8,682,477.09 is: 13,023,715.63
Step by Step Solution
- Step 1: Write the proportion equation
13,171,250.85 : 19,756,876.26 = 8,682,477.09 : x - Step 2: Convert to fraction form
13,171,250.85/19,756,876.26 = 8,682,477.09/x - Step 3: Cross multiply
13,171,250.85x = 19,756,876.26 × 8,682,477.09 - Step 4: Simplify right side
13,171,250.85x = 171,538,625,497,414.91 - Step 5: Solve for x
x = 171,538,625,497,414.91/13,171,250.85 - Step 6: Final answer
x = 13,023,715.63
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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.