Finding the Fourth Proportional to 8,079,795.30, 12,126,302.55 and 8,016,809.70
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Solution
The fourth proportional to 8,079,795.30, 12,126,302.55 and 8,016,809.70 is: 12,031,772.63
Step by Step Solution
- Step 1: Write the proportion equation
8,079,795.30 : 12,126,302.55 = 8,016,809.70 : x - Step 2: Convert to fraction form
8,079,795.30/12,126,302.55 = 8,016,809.70/x - Step 3: Cross multiply
8,079,795.30x = 12,126,302.55 × 8,016,809.70 - Step 4: Simplify right side
8,079,795.30x = 97,214,259,907,974.75 - Step 5: Solve for x
x = 97,214,259,907,974.75/8,079,795.30 - Step 6: Final answer
x = 12,031,772.63
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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.