Finding the Fourth Proportional to 7,886,684.67, 11,831,738.31 and 2,421,798.12
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Solution
The fourth proportional to 7,886,684.67, 11,831,738.31 and 2,421,798.12 is: 3,633,222.68
Step by Step Solution
- Step 1: Write the proportion equation
7,886,684.67 : 11,831,738.31 = 2,421,798.12 : x - Step 2: Convert to fraction form
7,886,684.67/11,831,738.31 = 2,421,798.12/x - Step 3: Cross multiply
7,886,684.67x = 11,831,738.31 × 2,421,798.12 - Step 4: Simplify right side
7,886,684.67x = 28,654,081,595,489.98 - Step 5: Solve for x
x = 28,654,081,595,489.98/7,886,684.67 - Step 6: Final answer
x = 3,633,222.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.