Finding the Fourth Proportional to 8,156,251.09, 11,255,916 and 4,485,446.76
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Solution
The fourth proportional to 8,156,251.09, 11,255,916 and 4,485,446.76 is: 6,190,075.73
Step by Step Solution
- Step 1: Write the proportion equation
8,156,251.09 : 11,255,916 = 4,485,446.76 : x - Step 2: Convert to fraction form
8,156,251.09/11,255,916 = 4,485,446.76/x - Step 3: Cross multiply
8,156,251.09x = 11,255,916 × 4,485,446.76 - Step 4: Simplify right side
8,156,251.09x = 50,487,811,953,032.16 - Step 5: Solve for x
x = 50,487,811,953,032.16/8,156,251.09 - Step 6: Final answer
x = 6,190,075.73
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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.