Finding the Fourth Proportional to 18,272,857.44, 27,410,977.14 and 5,976,890.40
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Solution
The fourth proportional to 18,272,857.44, 27,410,977.14 and 5,976,890.40 is: 8,965,888.70
Step by Step Solution
- Step 1: Write the proportion equation
18,272,857.44 : 27,410,977.14 = 5,976,890.40 : x - Step 2: Convert to fraction form
18,272,857.44/27,410,977.14 = 5,976,890.40/x - Step 3: Cross multiply
18,272,857.44x = 27,410,977.14 × 5,976,890.40 - Step 4: Simplify right side
18,272,857.44x = 163,832,406,122,685.47 - Step 5: Solve for x
x = 163,832,406,122,685.47/18,272,857.44 - Step 6: Final answer
x = 8,965,888.70
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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.