Finding the Fourth Proportional to 7,806,833.55, 11,707,337.97 and 2,687,817.42
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Solution
The fourth proportional to 7,806,833.55, 11,707,337.97 and 2,687,817.42 is: 4,030,723.43
Step by Step Solution
- Step 1: Write the proportion equation
7,806,833.55 : 11,707,337.97 = 2,687,817.42 : x - Step 2: Convert to fraction form
7,806,833.55/11,707,337.97 = 2,687,817.42/x - Step 3: Cross multiply
7,806,833.55x = 11,707,337.97 × 2,687,817.42 - Step 4: Simplify right side
7,806,833.55x = 31,467,186,937,593.44 - Step 5: Solve for x
x = 31,467,186,937,593.44/7,806,833.55 - Step 6: Final answer
x = 4,030,723.43
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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.