Finding the Fourth Proportional to 14,923,941.14, 20,593,207.65 and 9,415,238.42
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Solution
The fourth proportional to 14,923,941.14, 20,593,207.65 and 9,415,238.42 is: 12,991,873.80
Step by Step Solution
- Step 1: Write the proportion equation
14,923,941.14 : 20,593,207.65 = 9,415,238.42 : x - Step 2: Convert to fraction form
14,923,941.14/20,593,207.65 = 9,415,238.42/x - Step 3: Cross multiply
14,923,941.14x = 20,593,207.65 × 9,415,238.42 - Step 4: Simplify right side
14,923,941.14x = 193,889,959,857,317.91 - Step 5: Solve for x
x = 193,889,959,857,317.91/14,923,941.14 - Step 6: Final answer
x = 12,991,873.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.