Finding the Fourth Proportional to 7,268,685.30, 10,030,799.97 and 4,368,120.66
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Solution
The fourth proportional to 7,268,685.30, 10,030,799.97 and 4,368,120.66 is: 6,028,015.08
Step by Step Solution
- Step 1: Write the proportion equation
7,268,685.30 : 10,030,799.97 = 4,368,120.66 : x - Step 2: Convert to fraction form
7,268,685.30/10,030,799.97 = 4,368,120.66/x - Step 3: Cross multiply
7,268,685.30x = 10,030,799.97 × 4,368,120.66 - Step 4: Simplify right side
7,268,685.30x = 43,815,744,585,284.38 - Step 5: Solve for x
x = 43,815,744,585,284.38/7,268,685.30 - Step 6: Final answer
x = 6,028,015.08
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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.