Finding the Fourth Proportional to 11,511,313.90, 15,885,647.58 and 6,284,330.26
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Solution
The fourth proportional to 11,511,313.90, 15,885,647.58 and 6,284,330.26 is: 8,672,394.54
Step by Step Solution
- Step 1: Write the proportion equation
11,511,313.90 : 15,885,647.58 = 6,284,330.26 : x - Step 2: Convert to fraction form
11,511,313.90/15,885,647.58 = 6,284,330.26/x - Step 3: Cross multiply
11,511,313.90x = 15,885,647.58 × 6,284,330.26 - Step 4: Simplify right side
11,511,313.90x = 99,830,655,786,689.77 - Step 5: Solve for x
x = 99,830,655,786,689.77/11,511,313.90 - Step 6: Final answer
x = 8,672,394.54
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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.