Finding the Fourth Proportional to 8,358,310.29, 11,534,600.30 and 4,688,043.15
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Solution
The fourth proportional to 8,358,310.29, 11,534,600.30 and 4,688,043.15 is: 6,469,573.64
Step by Step Solution
- Step 1: Write the proportion equation
8,358,310.29 : 11,534,600.30 = 4,688,043.15 : x - Step 2: Convert to fraction form
8,358,310.29/11,534,600.30 = 4,688,043.15/x - Step 3: Cross multiply
8,358,310.29x = 11,534,600.30 × 4,688,043.15 - Step 4: Simplify right side
8,358,310.29x = 54,074,703,900,962.73 - Step 5: Solve for x
x = 54,074,703,900,962.73/8,358,310.29 - Step 6: Final answer
x = 6,469,573.64
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1.5x scale
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.