Finding the Fourth Proportional to 7,644,517.35, 11,466,772.83 and 2,787,187.62
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Solution
The fourth proportional to 7,644,517.35, 11,466,772.83 and 2,787,187.62 is: 4,180,780.26
Step by Step Solution
- Step 1: Write the proportion equation
7,644,517.35 : 11,466,772.83 = 2,787,187.62 : x - Step 2: Convert to fraction form
7,644,517.35/11,466,772.83 = 2,787,187.62/x - Step 3: Cross multiply
7,644,517.35x = 11,466,772.83 × 2,787,187.62 - Step 4: Simplify right side
7,644,517.35x = 31,960,047,229,829.82 - Step 5: Solve for x
x = 31,960,047,229,829.82/7,644,517.35 - Step 6: Final answer
x = 4,180,780.26
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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.