Finding the Fourth Proportional to 21,971,069.76, 32,975,578.08 and 15,244,207.68
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Solution
The fourth proportional to 21,971,069.76, 32,975,578.08 and 15,244,207.68 is: 22,879,475.88
Step by Step Solution
- Step 1: Write the proportion equation
21,971,069.76 : 32,975,578.08 = 15,244,207.68 : x - Step 2: Convert to fraction form
21,971,069.76/32,975,578.08 = 15,244,207.68/x - Step 3: Cross multiply
21,971,069.76x = 32,975,578.08 × 15,244,207.68 - Step 4: Simplify right side
21,971,069.76x = 502,686,560,619,575.62 - Step 5: Solve for x
x = 502,686,560,619,575.62/21,971,069.76 - Step 6: Final answer
x = 22,879,475.88
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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.