Finding the Fourth Proportional to 19,906,453.42, 27,469,154.35 and 11,085,238.12
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Solution
The fourth proportional to 19,906,453.42, 27,469,154.35 and 11,085,238.12 is: 15,296,653.33
Step by Step Solution
- Step 1: Write the proportion equation
19,906,453.42 : 27,469,154.35 = 11,085,238.12 : x - Step 2: Convert to fraction form
19,906,453.42/27,469,154.35 = 11,085,238.12/x - Step 3: Cross multiply
19,906,453.42x = 27,469,154.35 × 11,085,238.12 - Step 4: Simplify right side
19,906,453.42x = 304,502,116,924,783.81 - Step 5: Solve for x
x = 304,502,116,924,783.81/19,906,453.42 - Step 6: Final answer
x = 15,296,653.33
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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.