Finding the Fourth Proportional to 11,990,188.11, 16,546,446.80 and 6,483,549.11
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Solution
The fourth proportional to 11,990,188.11, 16,546,446.80 and 6,483,549.11 is: 8,947,290.85
Step by Step Solution
- Step 1: Write the proportion equation
11,990,188.11 : 16,546,446.80 = 6,483,549.11 : x - Step 2: Convert to fraction form
11,990,188.11/16,546,446.80 = 6,483,549.11/x - Step 3: Cross multiply
11,990,188.11x = 16,546,446.80 × 6,483,549.11 - Step 4: Simplify right side
11,990,188.11x = 107,279,700,423,802.36 - Step 5: Solve for x
x = 107,279,700,423,802.36/11,990,188.11 - Step 6: Final answer
x = 8,947,290.85
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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.