Finding the Fourth Proportional to 8,511,207.80, 12,766,811.70 and 4,032,231.80
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Solution
The fourth proportional to 8,511,207.80, 12,766,811.70 and 4,032,231.80 is: 6,048,347.70
Step by Step Solution
- Step 1: Write the proportion equation
8,511,207.80 : 12,766,811.70 = 4,032,231.80 : x - Step 2: Convert to fraction form
8,511,207.80/12,766,811.70 = 4,032,231.80/x - Step 3: Cross multiply
8,511,207.80x = 12,766,811.70 × 4,032,231.80 - Step 4: Simplify right side
8,511,207.80x = 51,478,744,121,352.05 - Step 5: Solve for x
x = 51,478,744,121,352.05/8,511,207.80 - Step 6: Final answer
x = 6,048,347.70
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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.