Finding the Fourth Proportional to 19,906,872.46, 27,468,214.50 and 11,531,263.84
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Solution
The fourth proportional to 19,906,872.46, 27,468,214.50 and 11,531,263.84 is: 15,911,250.21
Step by Step Solution
- Step 1: Write the proportion equation
19,906,872.46 : 27,468,214.50 = 11,531,263.84 : x - Step 2: Convert to fraction form
19,906,872.46/27,468,214.50 = 11,531,263.84/x - Step 3: Cross multiply
19,906,872.46x = 27,468,214.50 × 11,531,263.84 - Step 4: Simplify right side
19,906,872.46x = 316,743,228,613,213.69 - Step 5: Solve for x
x = 316,743,228,613,213.69/19,906,872.46 - Step 6: Final answer
x = 15,911,250.21
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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.