Finding the Fourth Proportional to 8,213,460.14, 12,319,248.95 and 2,148,777.11
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Solution
The fourth proportional to 8,213,460.14, 12,319,248.95 and 2,148,777.11 is: 3,222,919.42
Step by Step Solution
- Step 1: Write the proportion equation
8,213,460.14 : 12,319,248.95 = 2,148,777.11 : x - Step 2: Convert to fraction form
8,213,460.14/12,319,248.95 = 2,148,777.11/x - Step 3: Cross multiply
8,213,460.14x = 12,319,248.95 × 2,148,777.11 - Step 4: Simplify right side
8,213,460.14x = 26,471,320,156,151.53 - Step 5: Solve for x
x = 26,471,320,156,151.53/8,213,460.14 - Step 6: Final answer
x = 3,222,919.42
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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.