Finding the Fourth Proportional to 8,232,344.70, 12,348,517.05 and 2,553,143.10
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Solution
The fourth proportional to 8,232,344.70, 12,348,517.05 and 2,553,143.10 is: 3,829,714.65
Step by Step Solution
- Step 1: Write the proportion equation
8,232,344.70 : 12,348,517.05 = 2,553,143.10 : x - Step 2: Convert to fraction form
8,232,344.70/12,348,517.05 = 2,553,143.10/x - Step 3: Cross multiply
8,232,344.70x = 12,348,517.05 × 2,553,143.10 - Step 4: Simplify right side
8,232,344.70x = 31,527,531,101,439.86 - Step 5: Solve for x
x = 31,527,531,101,439.86/8,232,344.70 - Step 6: Final answer
x = 3,829,714.65
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Double scale
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Similar ratio
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1.5x scale
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.