Finding the Fourth Proportional to 7,874,567.87, 10,866,950.10 and 4,568,830.44
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Solution
The fourth proportional to 7,874,567.87, 10,866,950.10 and 4,568,830.44 is: 6,305,012.95
Step by Step Solution
- Step 1: Write the proportion equation
7,874,567.87 : 10,866,950.10 = 4,568,830.44 : x - Step 2: Convert to fraction form
7,874,567.87/10,866,950.10 = 4,568,830.44/x - Step 3: Cross multiply
7,874,567.87x = 10,866,950.10 × 4,568,830.44 - Step 4: Simplify right side
7,874,567.87x = 49,649,252,374,656.54 - Step 5: Solve for x
x = 49,649,252,374,656.54/7,874,567.87 - Step 6: Final answer
x = 6,305,012.95
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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.