Finding the Fourth Proportional to 18,828,956.20, 28,247,616.06 and 5,365,900.84
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Solution
The fourth proportional to 18,828,956.20, 28,247,616.06 and 5,365,900.84 is: 8,050,042.98
Step by Step Solution
- Step 1: Write the proportion equation
18,828,956.20 : 28,247,616.06 = 5,365,900.84 : x - Step 2: Convert to fraction form
18,828,956.20/28,247,616.06 = 5,365,900.84/x - Step 3: Cross multiply
18,828,956.20x = 28,247,616.06 × 5,365,900.84 - Step 4: Simplify right side
18,828,956.20x = 151,573,906,744,351.47 - Step 5: Solve for x
x = 151,573,906,744,351.47/18,828,956.20 - Step 6: Final answer
x = 8,050,042.98
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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.