Finding the Fourth Proportional to 8,128,446.36, 12,192,710.21 and 2,063,179.92
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Solution
The fourth proportional to 8,128,446.36, 12,192,710.21 and 2,063,179.92 is: 3,094,780.20
Step by Step Solution
- Step 1: Write the proportion equation
8,128,446.36 : 12,192,710.21 = 2,063,179.92 : x - Step 2: Convert to fraction form
8,128,446.36/12,192,710.21 = 2,063,179.92/x - Step 3: Cross multiply
8,128,446.36x = 12,192,710.21 × 2,063,179.92 - Step 4: Simplify right side
8,128,446.36x = 25,155,754,873,158.95 - Step 5: Solve for x
x = 25,155,754,873,158.95/8,128,446.36 - Step 6: Final answer
x = 3,094,780.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.