Finding the Fourth Proportional to 18,409,655.52, 27,614,482.14 and 17,489,106.21
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Solution
The fourth proportional to 18,409,655.52, 27,614,482.14 and 17,489,106.21 is: 26,233,658.23
Step by Step Solution
- Step 1: Write the proportion equation
18,409,655.52 : 27,614,482.14 = 17,489,106.21 : x - Step 2: Convert to fraction form
18,409,655.52/27,614,482.14 = 17,489,106.21/x - Step 3: Cross multiply
18,409,655.52x = 27,614,482.14 × 17,489,106.21 - Step 4: Simplify right side
18,409,655.52x = 482,952,611,080,608.12 - Step 5: Solve for x
x = 482,952,611,080,608.12/18,409,655.52 - Step 6: Final answer
x = 26,233,658.23
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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.