Finding the Fourth Proportional to 7,482,115.80, 11,207,427.30 and 6,222,403.80
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Solution
The fourth proportional to 7,482,115.80, 11,207,427.30 and 6,222,403.80 is: 9,320,510.41
Step by Step Solution
- Step 1: Write the proportion equation
7,482,115.80 : 11,207,427.30 = 6,222,403.80 : x - Step 2: Convert to fraction form
7,482,115.80/11,207,427.30 = 6,222,403.80/x - Step 3: Cross multiply
7,482,115.80x = 11,207,427.30 × 6,222,403.80 - Step 4: Simplify right side
7,482,115.80x = 69,737,138,219,743.74 - Step 5: Solve for x
x = 69,737,138,219,743.74/7,482,115.80 - Step 6: Final answer
x = 9,320,510.41
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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.