Finding the Fourth Proportional to 31,592,942.66, 47,391,251.07 and 8,875,611.38
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Solution
The fourth proportional to 31,592,942.66, 47,391,251.07 and 8,875,611.38 is: 13,313,933.17
Step by Step Solution
- Step 1: Write the proportion equation
31,592,942.66 : 47,391,251.07 = 8,875,611.38 : x - Step 2: Convert to fraction form
31,592,942.66/47,391,251.07 = 8,875,611.38/x - Step 3: Cross multiply
31,592,942.66x = 47,391,251.07 × 8,875,611.38 - Step 4: Simplify right side
31,592,942.66x = 420,626,327,309,329.19 - Step 5: Solve for x
x = 420,626,327,309,329.19/31,592,942.66 - Step 6: Final answer
x = 13,313,933.17
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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.