Finding the Fourth Proportional to 19,924,096.82, 27,495,407.13 and 11,221,455.20
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Solution
The fourth proportional to 19,924,096.82, 27,495,407.13 and 11,221,455.20 is: 15,485,694.64
Step by Step Solution
- Step 1: Write the proportion equation
19,924,096.82 : 27,495,407.13 = 11,221,455.20 : x - Step 2: Convert to fraction form
19,924,096.82/27,495,407.13 = 11,221,455.20/x - Step 3: Cross multiply
19,924,096.82x = 27,495,407.13 × 11,221,455.20 - Step 4: Simplify right side
19,924,096.82x = 308,538,479,177,578.56 - Step 5: Solve for x
x = 308,538,479,177,578.56/19,924,096.82 - Step 6: Final answer
x = 15,485,694.64
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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.