Finding the Fourth Proportional to 13,744,706.14, 18,968,021.94 and 7,549,882.59
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Solution
The fourth proportional to 13,744,706.14, 18,968,021.94 and 7,549,882.59 is: 10,419,017.85
Step by Step Solution
- Step 1: Write the proportion equation
13,744,706.14 : 18,968,021.94 = 7,549,882.59 : x - Step 2: Convert to fraction form
13,744,706.14/18,968,021.94 = 7,549,882.59/x - Step 3: Cross multiply
13,744,706.14x = 18,968,021.94 × 7,549,882.59 - Step 4: Simplify right side
13,744,706.14x = 143,206,338,611,544.03 - Step 5: Solve for x
x = 143,206,338,611,544.03/13,744,706.14 - Step 6: Final answer
x = 10,419,017.85
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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.