Finding the Fourth Proportional to 9,236,135.60, 12,746,260.76 and 5,161,754.48
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Solution
The fourth proportional to 9,236,135.60, 12,746,260.76 and 5,161,754.48 is: 7,123,441.17
Step by Step Solution
- Step 1: Write the proportion equation
9,236,135.60 : 12,746,260.76 = 5,161,754.48 : x - Step 2: Convert to fraction form
9,236,135.60/12,746,260.76 = 5,161,754.48/x - Step 3: Cross multiply
9,236,135.60x = 12,746,260.76 × 5,161,754.48 - Step 4: Simplify right side
9,236,135.60x = 65,793,068,581,178.21 - Step 5: Solve for x
x = 65,793,068,581,178.21/9,236,135.60 - Step 6: Final answer
x = 7,123,441.17
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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.