Finding the Fourth Proportional to 10,128,819.38, 15,193,268.14 and 2,452,451.52
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Solution
The fourth proportional to 10,128,819.38, 15,193,268.14 and 2,452,451.52 is: 3,678,686.74
Step by Step Solution
- Step 1: Write the proportion equation
10,128,819.38 : 15,193,268.14 = 2,452,451.52 : x - Step 2: Convert to fraction form
10,128,819.38/15,193,268.14 = 2,452,451.52/x - Step 3: Cross multiply
10,128,819.38x = 15,193,268.14 × 2,452,451.52 - Step 4: Simplify right side
10,128,819.38x = 37,260,753,543,710.58 - Step 5: Solve for x
x = 37,260,753,543,710.58/10,128,819.38 - Step 6: Final answer
x = 3,678,686.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.