Finding the Fourth Proportional to 51,327,685.08, 76,990,857.84 and 12,466,455.66
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Solution
The fourth proportional to 51,327,685.08, 76,990,857.84 and 12,466,455.66 is: 18,699,520.81
Step by Step Solution
- Step 1: Write the proportion equation
51,327,685.08 : 76,990,857.84 = 12,466,455.66 : x - Step 2: Convert to fraction form
51,327,685.08/76,990,857.84 = 12,466,455.66/x - Step 3: Cross multiply
51,327,685.08x = 76,990,857.84 × 12,466,455.66 - Step 4: Simplify right side
51,327,685.08x = 959,803,115,487,723.38 - Step 5: Solve for x
x = 959,803,115,487,723.38/51,327,685.08 - Step 6: Final answer
x = 18,699,520.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.