Finding the Fourth Proportional to 7,766,343.63, 10,717,093.11 and 4,457,873.52
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Solution
The fourth proportional to 7,766,343.63, 10,717,093.11 and 4,457,873.52 is: 6,151,600.79
Step by Step Solution
- Step 1: Write the proportion equation
7,766,343.63 : 10,717,093.11 = 4,457,873.52 : x - Step 2: Convert to fraction form
7,766,343.63/10,717,093.11 = 4,457,873.52/x - Step 3: Cross multiply
7,766,343.63x = 10,717,093.11 × 4,457,873.52 - Step 4: Simplify right side
7,766,343.63x = 47,775,445,586,443.44 - Step 5: Solve for x
x = 47,775,445,586,443.44/7,766,343.63 - Step 6: Final answer
x = 6,151,600.79
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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.