Finding the Fourth Proportional to 9,489,467.75, 14,238,539.18 and 5,165,039.75
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Solution
The fourth proportional to 9,489,467.75, 14,238,539.18 and 5,165,039.75 is: 7,749,920.52
Step by Step Solution
- Step 1: Write the proportion equation
9,489,467.75 : 14,238,539.18 = 5,165,039.75 : x - Step 2: Convert to fraction form
9,489,467.75/14,238,539.18 = 5,165,039.75/x - Step 3: Cross multiply
9,489,467.75x = 14,238,539.18 × 5,165,039.75 - Step 4: Simplify right side
9,489,467.75x = 73,542,620,820,807.20 - Step 5: Solve for x
x = 73,542,620,820,807.20/9,489,467.75 - Step 6: Final answer
x = 7,749,920.52
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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.