Finding the Fourth Proportional to 11,839,832.84, 16,339,021.68 and 6,407,326.28
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Solution
The fourth proportional to 11,839,832.84, 16,339,021.68 and 6,407,326.28 is: 8,842,138.60
Step by Step Solution
- Step 1: Write the proportion equation
11,839,832.84 : 16,339,021.68 = 6,407,326.28 : x - Step 2: Convert to fraction form
11,839,832.84/16,339,021.68 = 6,407,326.28/x - Step 3: Cross multiply
11,839,832.84x = 16,339,021.68 × 6,407,326.28 - Step 4: Simplify right side
11,839,832.84x = 104,689,442,999,753.75 - Step 5: Solve for x
x = 104,689,442,999,753.75/11,839,832.84 - Step 6: Final answer
x = 8,842,138.60
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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.