Finding the Fourth Proportional to 7,990,690.68, 11,027,153.16 and 4,369,018.68
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Solution
The fourth proportional to 7,990,690.68, 11,027,153.16 and 4,369,018.68 is: 6,029,245.79
Step by Step Solution
- Step 1: Write the proportion equation
7,990,690.68 : 11,027,153.16 = 4,369,018.68 : x - Step 2: Convert to fraction form
7,990,690.68/11,027,153.16 = 4,369,018.68/x - Step 3: Cross multiply
7,990,690.68x = 11,027,153.16 × 4,369,018.68 - Step 4: Simplify right side
7,990,690.68x = 48,177,838,143,261.02 - Step 5: Solve for x
x = 48,177,838,143,261.02/7,990,690.68 - Step 6: Final answer
x = 6,029,245.79
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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.