Finding the Fourth Proportional to 10,000,393.63, 13,800,543.68 and 5,416,715
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Solution
The fourth proportional to 10,000,393.63, 13,800,543.68 and 5,416,715 is: 7,475,066.96
Step by Step Solution
- Step 1: Write the proportion equation
10,000,393.63 : 13,800,543.68 = 5,416,715 : x - Step 2: Convert to fraction form
10,000,393.63/13,800,543.68 = 5,416,715/x - Step 3: Cross multiply
10,000,393.63x = 13,800,543.68 × 5,416,715 - Step 4: Simplify right side
10,000,393.63x = 74,753,611,932,527.62 - Step 5: Solve for x
x = 74,753,611,932,527.62/10,000,393.63 - Step 6: Final answer
x = 7,475,066.96
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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.