Finding the Fourth Proportional to 16,161,212.74, 22,302,947.97 and 8,819,519.73
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Solution
The fourth proportional to 16,161,212.74, 22,302,947.97 and 8,819,519.73 is: 12,171,196.11
Step by Step Solution
- Step 1: Write the proportion equation
16,161,212.74 : 22,302,947.97 = 8,819,519.73 : x - Step 2: Convert to fraction form
16,161,212.74/22,302,947.97 = 8,819,519.73/x - Step 3: Cross multiply
16,161,212.74x = 22,302,947.97 × 8,819,519.73 - Step 4: Simplify right side
16,161,212.74x = 196,701,289,658,578.44 - Step 5: Solve for x
x = 196,701,289,658,578.44/16,161,212.74 - Step 6: Final answer
x = 12,171,196.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.