Finding the Fourth Proportional to 18,951,134.40, 28,428,693.12 and 6,172,634.88
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Solution
The fourth proportional to 18,951,134.40, 28,428,693.12 and 6,172,634.88 is: 9,259,600.98
Step by Step Solution
- Step 1: Write the proportion equation
18,951,134.40 : 28,428,693.12 = 6,172,634.88 : x - Step 2: Convert to fraction form
18,951,134.40/28,428,693.12 = 6,172,634.88/x - Step 3: Cross multiply
18,951,134.40x = 28,428,693.12 × 6,172,634.88 - Step 4: Simplify right side
18,951,134.40x = 175,479,942,745,328.03 - Step 5: Solve for x
x = 175,479,942,745,328.03/18,951,134.40 - Step 6: Final answer
x = 9,259,600.98
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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.