Finding the Fourth Proportional to 11,511,257.36, 15,885,497.95 and 6,284,330.14
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Solution
The fourth proportional to 11,511,257.36, 15,885,497.95 and 6,284,330.14 is: 8,672,355.27
Step by Step Solution
- Step 1: Write the proportion equation
11,511,257.36 : 15,885,497.95 = 6,284,330.14 : x - Step 2: Convert to fraction form
11,511,257.36/15,885,497.95 = 6,284,330.14/x - Step 3: Cross multiply
11,511,257.36x = 15,885,497.95 × 6,284,330.14 - Step 4: Simplify right side
11,511,257.36x = 99,829,713,491,665.98 - Step 5: Solve for x
x = 99,829,713,491,665.98/11,511,257.36 - Step 6: Final answer
x = 8,672,355.27
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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.