Finding the Fourth Proportional to 8,228,769.75, 12,343,966.38 and 2,836,710.18
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Solution
The fourth proportional to 8,228,769.75, 12,343,966.38 and 2,836,710.18 is: 4,255,345.11
Step by Step Solution
- Step 1: Write the proportion equation
8,228,769.75 : 12,343,966.38 = 2,836,710.18 : x - Step 2: Convert to fraction form
8,228,769.75/12,343,966.38 = 2,836,710.18/x - Step 3: Cross multiply
8,228,769.75x = 12,343,966.38 × 2,836,710.18 - Step 4: Simplify right side
8,228,769.75x = 35,016,255,091,723.75 - Step 5: Solve for x
x = 35,016,255,091,723.75/8,228,769.75 - Step 6: Final answer
x = 4,255,345.11
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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.