Finding the Fourth Proportional to 11,511,437.96, 15,885,835.14 and 6,354,841.88
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Solution
The fourth proportional to 11,511,437.96, 15,885,835.14 and 6,354,841.88 is: 8,769,709.81
Step by Step Solution
- Step 1: Write the proportion equation
11,511,437.96 : 15,885,835.14 = 6,354,841.88 : x - Step 2: Convert to fraction form
11,511,437.96/15,885,835.14 = 6,354,841.88/x - Step 3: Cross multiply
11,511,437.96x = 15,885,835.14 × 6,354,841.88 - Step 4: Simplify right side
11,511,437.96x = 100,951,970,446,447.67 - Step 5: Solve for x
x = 100,951,970,446,447.67/11,511,437.96 - Step 6: Final answer
x = 8,769,709.81
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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.