Finding the Fourth Proportional to 7,971,244.86, 11,958,869.97 and 2,291,479.50
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Solution
The fourth proportional to 7,971,244.86, 11,958,869.97 and 2,291,479.50 is: 3,437,794.96
Step by Step Solution
- Step 1: Write the proportion equation
7,971,244.86 : 11,958,869.97 = 2,291,479.50 : x - Step 2: Convert to fraction form
7,971,244.86/11,958,869.97 = 2,291,479.50/x - Step 3: Cross multiply
7,971,244.86x = 11,958,869.97 × 2,291,479.50 - Step 4: Simplify right side
7,971,244.86x = 27,403,505,379,420.62 - Step 5: Solve for x
x = 27,403,505,379,420.62/7,971,244.86 - Step 6: Final answer
x = 3,437,794.96
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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.