Finding the Fourth Proportional to 11,278,485.04, 15,563,906.65 and 6,383,602.04
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Solution
The fourth proportional to 11,278,485.04, 15,563,906.65 and 6,383,602.04 is: 8,809,142.88
Step by Step Solution
- Step 1: Write the proportion equation
11,278,485.04 : 15,563,906.65 = 6,383,602.04 : x - Step 2: Convert to fraction form
11,278,485.04/15,563,906.65 = 6,383,602.04/x - Step 3: Cross multiply
11,278,485.04x = 15,563,906.65 × 6,383,602.04 - Step 4: Simplify right side
11,278,485.04x = 99,353,786,157,031.28 - Step 5: Solve for x
x = 99,353,786,157,031.28/11,278,485.04 - Step 6: Final answer
x = 8,809,142.88
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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.