Finding the Fourth Proportional to 8,086,416.92, 11,157,937.88 and 4,778,250.84
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Solution
The fourth proportional to 8,086,416.92, 11,157,937.88 and 4,778,250.84 is: 6,593,207.67
Step by Step Solution
- Step 1: Write the proportion equation
8,086,416.92 : 11,157,937.88 = 4,778,250.84 : x - Step 2: Convert to fraction form
8,086,416.92/11,157,937.88 = 4,778,250.84/x - Step 3: Cross multiply
8,086,416.92x = 11,157,937.88 × 4,778,250.84 - Step 4: Simplify right side
8,086,416.92x = 53,315,426,047,777.82 - Step 5: Solve for x
x = 53,315,426,047,777.82/8,086,416.92 - Step 6: Final answer
x = 6,593,207.67
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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.