Finding the Fourth Proportional to 8,213,460.95, 12,319,250.17 and 2,148,777.92
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Solution
The fourth proportional to 8,213,460.95, 12,319,250.17 and 2,148,777.92 is: 3,222,920.63
Step by Step Solution
- Step 1: Write the proportion equation
8,213,460.95 : 12,319,250.17 = 2,148,777.92 : x - Step 2: Convert to fraction form
8,213,460.95/12,319,250.17 = 2,148,777.92/x - Step 3: Cross multiply
8,213,460.95x = 12,319,250.17 × 2,148,777.92 - Step 4: Simplify right side
8,213,460.95x = 26,471,332,756,252.25 - Step 5: Solve for x
x = 26,471,332,756,252.25/8,213,460.95 - Step 6: Final answer
x = 3,222,920.63
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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.