Finding the Fourth Proportional to 18,128,290.06, 27,193,338.66 and 5,176,361.71
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Solution
The fourth proportional to 18,128,290.06, 27,193,338.66 and 5,176,361.71 is: 7,764,800.57
Step by Step Solution
- Step 1: Write the proportion equation
18,128,290.06 : 27,193,338.66 = 5,176,361.71 : x - Step 2: Convert to fraction form
18,128,290.06/27,193,338.66 = 5,176,361.71/x - Step 3: Cross multiply
18,128,290.06x = 27,193,338.66 × 5,176,361.71 - Step 4: Simplify right side
18,128,290.06x = 140,762,557,006,686.72 - Step 5: Solve for x
x = 140,762,557,006,686.72/18,128,290.06 - Step 6: Final answer
x = 7,764,800.57
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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.