Finding the Fourth Proportional to 18,040,611.98, 24,899,661.34 and 10,702,518.23
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Solution
The fourth proportional to 18,040,611.98, 24,899,661.34 and 10,702,518.23 is: 14,771,620.81
Step by Step Solution
- Step 1: Write the proportion equation
18,040,611.98 : 24,899,661.34 = 10,702,518.23 : x - Step 2: Convert to fraction form
18,040,611.98/24,899,661.34 = 10,702,518.23/x - Step 3: Cross multiply
18,040,611.98x = 24,899,661.34 × 10,702,518.23 - Step 4: Simplify right side
18,040,611.98x = 266,489,079,260,921.59 - Step 5: Solve for x
x = 266,489,079,260,921.59/18,040,611.98 - Step 6: Final answer
x = 14,771,620.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.