Finding the Fourth Proportional to 16,171,876.80, 24,257,815.20 and 8,613,604.80
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Solution
The fourth proportional to 16,171,876.80, 24,257,815.20 and 8,613,604.80 is: 12,920,407.20
Step by Step Solution
- Step 1: Write the proportion equation
16,171,876.80 : 24,257,815.20 = 8,613,604.80 : x - Step 2: Convert to fraction form
16,171,876.80/24,257,815.20 = 8,613,604.80/x - Step 3: Cross multiply
16,171,876.80x = 24,257,815.20 × 8,613,604.80 - Step 4: Simplify right side
16,171,876.80x = 208,947,233,444,232.97 - Step 5: Solve for x
x = 208,947,233,444,232.97/16,171,876.80 - Step 6: Final answer
x = 12,920,407.20
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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.