Finding the Fourth Proportional to 11,392,396.24, 15,721,604.77 and 6,497,866.09
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Solution
The fourth proportional to 11,392,396.24, 15,721,604.77 and 6,497,866.09 is: 8,967,111.08
Step by Step Solution
- Step 1: Write the proportion equation
11,392,396.24 : 15,721,604.77 = 6,497,866.09 : x - Step 2: Convert to fraction form
11,392,396.24/15,721,604.77 = 6,497,866.09/x - Step 3: Cross multiply
11,392,396.24x = 15,721,604.77 × 6,497,866.09 - Step 4: Simplify right side
11,392,396.24x = 102,156,882,602,592.31 - Step 5: Solve for x
x = 102,156,882,602,592.31/11,392,396.24 - Step 6: Final answer
x = 8,967,111.08
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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.