Finding the Fourth Proportional to 8,111,201.68, 11,192,692.98 and 4,847,366.80
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Solution
The fourth proportional to 8,111,201.68, 11,192,692.98 and 4,847,366.80 is: 6,688,908.81
Step by Step Solution
- Step 1: Write the proportion equation
8,111,201.68 : 11,192,692.98 = 4,847,366.80 : x - Step 2: Convert to fraction form
8,111,201.68/11,192,692.98 = 4,847,366.80/x - Step 3: Cross multiply
8,111,201.68x = 11,192,692.98 × 4,847,366.80 - Step 4: Simplify right side
8,111,201.68x = 54,255,088,353,845.06 - Step 5: Solve for x
x = 54,255,088,353,845.06/8,111,201.68 - Step 6: Final answer
x = 6,688,908.81
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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.