Finding the Fourth Proportional to 8,104,278.66, 12,157,269.36 and 2,639,799.30
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Solution
The fourth proportional to 8,104,278.66, 12,157,269.36 and 2,639,799.30 is: 3,959,976.27
Step by Step Solution
- Step 1: Write the proportion equation
8,104,278.66 : 12,157,269.36 = 2,639,799.30 : x - Step 2: Convert to fraction form
8,104,278.66/12,157,269.36 = 2,639,799.30/x - Step 3: Cross multiply
8,104,278.66x = 12,157,269.36 × 2,639,799.30 - Step 4: Simplify right side
8,104,278.66x = 32,092,751,146,439.45 - Step 5: Solve for x
x = 32,092,751,146,439.45/8,104,278.66 - Step 6: Final answer
x = 3,959,976.27
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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.