Finding the Fourth Proportional to 10,268,814.42, 15,403,578.75 and 4,874,686.02
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Solution
The fourth proportional to 10,268,814.42, 15,403,578.75 and 4,874,686.02 is: 7,312,198.56
Step by Step Solution
- Step 1: Write the proportion equation
10,268,814.42 : 15,403,578.75 = 4,874,686.02 : x - Step 2: Convert to fraction form
10,268,814.42/15,403,578.75 = 4,874,686.02/x - Step 3: Cross multiply
10,268,814.42x = 15,403,578.75 × 4,874,686.02 - Step 4: Simplify right side
10,268,814.42x = 75,087,609,990,594.06 - Step 5: Solve for x
x = 75,087,609,990,594.06/10,268,814.42 - Step 6: Final answer
x = 7,312,198.56
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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.