Finding the Fourth Proportional to 6,772,723.68, 10,160,076.96 and 3,178,855.68
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Solution
The fourth proportional to 6,772,723.68, 10,160,076.96 and 3,178,855.68 is: 4,768,748.86
Step by Step Solution
- Step 1: Write the proportion equation
6,772,723.68 : 10,160,076.96 = 3,178,855.68 : x - Step 2: Convert to fraction form
6,772,723.68/10,160,076.96 = 3,178,855.68/x - Step 3: Cross multiply
6,772,723.68x = 10,160,076.96 × 3,178,855.68 - Step 4: Simplify right side
6,772,723.68x = 32,297,418,353,533.14 - Step 5: Solve for x
x = 32,297,418,353,533.14/6,772,723.68 - Step 6: Final answer
x = 4,768,748.86
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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.