Finding the Fourth Proportional to 8,303,768.08, 11,459,207.12 and 4,632,685.40
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Solution
The fourth proportional to 8,303,768.08, 11,459,207.12 and 4,632,685.40 is: 6,393,109.85
Step by Step Solution
- Step 1: Write the proportion equation
8,303,768.08 : 11,459,207.12 = 4,632,685.40 : x - Step 2: Convert to fraction form
8,303,768.08/11,459,207.12 = 4,632,685.40/x - Step 3: Cross multiply
8,303,768.08x = 11,459,207.12 × 4,632,685.40 - Step 4: Simplify right side
8,303,768.08x = 53,086,901,463,104 - Step 5: Solve for x
x = 53,086,901,463,104/8,303,768.08 - Step 6: Final answer
x = 6,393,109.85
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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.