Finding the Fourth Proportional to 9,987,325.69, 14,941,571.50 and 7,695,486.99
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Solution
The fourth proportional to 9,987,325.69, 14,941,571.50 and 7,695,486.99 is: 11,512,858.66
Step by Step Solution
- Step 1: Write the proportion equation
9,987,325.69 : 14,941,571.50 = 7,695,486.99 : x - Step 2: Convert to fraction form
9,987,325.69/14,941,571.50 = 7,695,486.99/x - Step 3: Cross multiply
9,987,325.69x = 14,941,571.50 × 7,695,486.99 - Step 4: Simplify right side
9,987,325.69x = 114,982,669,088,404.78 - Step 5: Solve for x
x = 114,982,669,088,404.78/9,987,325.69 - Step 6: Final answer
x = 11,512,858.66
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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.