Finding the Fourth Proportional to 12,631,405.33, 18,939,855.30 and 4,946,051.94
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Solution
The fourth proportional to 12,631,405.33, 18,939,855.30 and 4,946,051.94 is: 7,416,237.99
Step by Step Solution
- Step 1: Write the proportion equation
12,631,405.33 : 18,939,855.30 = 4,946,051.94 : x - Step 2: Convert to fraction form
12,631,405.33/18,939,855.30 = 4,946,051.94/x - Step 3: Cross multiply
12,631,405.33x = 18,939,855.30 × 4,946,051.94 - Step 4: Simplify right side
12,631,405.33x = 93,677,508,049,884.30 - Step 5: Solve for x
x = 93,677,508,049,884.30/12,631,405.33 - Step 6: Final answer
x = 7,416,237.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.