Finding the Fourth Proportional to 7,971,217.29, 11,958,723.16 and 2,579,867.75
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Solution
The fourth proportional to 7,971,217.29, 11,958,723.16 and 2,579,867.75 is: 3,870,415.66
Step by Step Solution
- Step 1: Write the proportion equation
7,971,217.29 : 11,958,723.16 = 2,579,867.75 : x - Step 2: Convert to fraction form
7,971,217.29/11,958,723.16 = 2,579,867.75/x - Step 3: Cross multiply
7,971,217.29x = 11,958,723.16 × 2,579,867.75 - Step 4: Simplify right side
7,971,217.29x = 30,851,924,235,109.23 - Step 5: Solve for x
x = 30,851,924,235,109.23/7,971,217.29 - Step 6: Final answer
x = 3,870,415.66
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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.