Finding the Fourth Proportional to 11,490,199.92, 15,857,185.32 and 6,333,549.84
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Solution
The fourth proportional to 11,490,199.92, 15,857,185.32 and 6,333,549.84 is: 8,740,689.83
Step by Step Solution
- Step 1: Write the proportion equation
11,490,199.92 : 15,857,185.32 = 6,333,549.84 : x - Step 2: Convert to fraction form
11,490,199.92/15,857,185.32 = 6,333,549.84/x - Step 3: Cross multiply
11,490,199.92x = 15,857,185.32 × 6,333,549.84 - Step 4: Simplify right side
11,490,199.92x = 100,432,273,546,336.34 - Step 5: Solve for x
x = 100,432,273,546,336.34/11,490,199.92 - Step 6: Final answer
x = 8,740,689.83
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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.