Finding the Fourth Proportional to 18,255,282.71, 27,388,654.00 and 10,977,121.67
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Solution
The fourth proportional to 18,255,282.71, 27,388,654.00 and 10,977,121.67 is: 16,469,127.98
Step by Step Solution
- Step 1: Write the proportion equation
18,255,282.71 : 27,388,654.00 = 10,977,121.67 : x - Step 2: Convert to fraction form
18,255,282.71/27,388,654.00 = 10,977,121.67/x - Step 3: Cross multiply
18,255,282.71x = 27,388,654.00 × 10,977,121.67 - Step 4: Simplify right side
18,255,282.71x = 300,648,587,171,146.06 - Step 5: Solve for x
x = 300,648,587,171,146.06/18,255,282.71 - Step 6: Final answer
x = 16,469,127.98
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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.