Finding the Fourth Proportional to 8,262,168.68, 11,401,565.46 and 4,590,990.44
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Solution
The fourth proportional to 8,262,168.68, 11,401,565.46 and 4,590,990.44 is: 6,335,440.49
Step by Step Solution
- Step 1: Write the proportion equation
8,262,168.68 : 11,401,565.46 = 4,590,990.44 : x - Step 2: Convert to fraction form
8,262,168.68/11,401,565.46 = 4,590,990.44/x - Step 3: Cross multiply
8,262,168.68x = 11,401,565.46 × 4,590,990.44 - Step 4: Simplify right side
8,262,168.68x = 52,344,478,027,894.21 - Step 5: Solve for x
x = 52,344,478,027,894.21/8,262,168.68 - Step 6: Final answer
x = 6,335,440.49
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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.