Finding the Fourth Proportional to 14,278,596.80, 21,430,125.08 and 14,171,120.12
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Solution
The fourth proportional to 14,278,596.80, 21,430,125.08 and 14,171,120.12 is: 21,268,818.00
Step by Step Solution
- Step 1: Write the proportion equation
14,278,596.80 : 21,430,125.08 = 14,171,120.12 : x - Step 2: Convert to fraction form
14,278,596.80/21,430,125.08 = 14,171,120.12/x - Step 3: Cross multiply
14,278,596.80x = 21,430,125.08 × 14,171,120.12 - Step 4: Simplify right side
14,278,596.80x = 303,688,876,517,298.38 - Step 5: Solve for x
x = 303,688,876,517,298.38/14,278,596.80 - Step 6: Final answer
x = 21,268,818.00
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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.