Finding the Fourth Proportional to 21,668,241.66, 32,492,913.64 and 8,195,621.82
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Solution
The fourth proportional to 21,668,241.66, 32,492,913.64 and 8,195,621.82 is: 12,289,858.87
Step by Step Solution
- Step 1: Write the proportion equation
21,668,241.66 : 32,492,913.64 = 8,195,621.82 : x - Step 2: Convert to fraction form
21,668,241.66/32,492,913.64 = 8,195,621.82/x - Step 3: Cross multiply
21,668,241.66x = 32,492,913.64 × 8,195,621.82 - Step 4: Simplify right side
21,668,241.66x = 266,299,632,023,359.62 - Step 5: Solve for x
x = 266,299,632,023,359.62/21,668,241.66 - Step 6: Final answer
x = 12,289,858.87
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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.