Finding the Fourth Proportional to 7,965,856.80, 11,926,666.80 and 7,744,672.80
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Solution
The fourth proportional to 7,965,856.80, 11,926,666.80 and 7,744,672.80 is: 11,595,504.95
Step by Step Solution
- Step 1: Write the proportion equation
7,965,856.80 : 11,926,666.80 = 7,744,672.80 : x - Step 2: Convert to fraction form
7,965,856.80/11,926,666.80 = 7,744,672.80/x - Step 3: Cross multiply
7,965,856.80x = 11,926,666.80 × 7,744,672.80 - Step 4: Simplify right side
7,965,856.80x = 92,368,131,960,623.05 - Step 5: Solve for x
x = 92,368,131,960,623.05/7,965,856.80 - Step 6: Final answer
x = 11,595,504.95
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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.