Finding the Fourth Proportional to 11,218,697.68, 16,835,618.32 and 4,394,424.36
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Solution
The fourth proportional to 11,218,697.68, 16,835,618.32 and 4,394,424.36 is: 6,594,602.45
Step by Step Solution
- Step 1: Write the proportion equation
11,218,697.68 : 16,835,618.32 = 4,394,424.36 : x - Step 2: Convert to fraction form
11,218,697.68/16,835,618.32 = 4,394,424.36/x - Step 3: Cross multiply
11,218,697.68x = 16,835,618.32 × 4,394,424.36 - Step 4: Simplify right side
11,218,697.68x = 73,982,851,261,070.28 - Step 5: Solve for x
x = 73,982,851,261,070.28/11,218,697.68 - Step 6: Final answer
x = 6,594,602.45
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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.