Finding the Fourth Proportional to 18,288,857.80, 27,424,992.30 and 6,925,529.80
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Solution
The fourth proportional to 18,288,857.80, 27,424,992.30 and 6,925,529.80 is: 10,385,153.82
Step by Step Solution
- Step 1: Write the proportion equation
18,288,857.80 : 27,424,992.30 = 6,925,529.80 : x - Step 2: Convert to fraction form
18,288,857.80/27,424,992.30 = 6,925,529.80/x - Step 3: Cross multiply
18,288,857.80x = 27,424,992.30 × 6,925,529.80 - Step 4: Simplify right side
18,288,857.80x = 189,932,601,438,420.53 - Step 5: Solve for x
x = 189,932,601,438,420.53/18,288,857.80 - Step 6: Final answer
x = 10,385,153.82
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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.