Finding the Fourth Proportional to 11,839,666.92, 16,338,680.28 and 6,407,158.92
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Solution
The fourth proportional to 11,839,666.92, 16,338,680.28 and 6,407,158.92 is: 8,841,846.80
Step by Step Solution
- Step 1: Write the proportion equation
11,839,666.92 : 16,338,680.28 = 6,407,158.92 : x - Step 2: Convert to fraction form
11,839,666.92/16,338,680.28 = 6,407,158.92/x - Step 3: Cross multiply
11,839,666.92x = 16,338,680.28 × 6,407,158.92 - Step 4: Simplify right side
11,839,666.92x = 104,684,521,097,030.09 - Step 5: Solve for x
x = 104,684,521,097,030.09/11,839,666.92 - Step 6: Final answer
x = 8,841,846.80
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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.